is the wandering albatross extinct

Albatrosses are threatened with extinction – and climate change could put their nesting sites at risk

Postdoctoral research fellow, Department of Plant and Soil Science, University of Pretoria

Disclosure statement

Mia Momberg does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

University of Pretoria provides funding as a partner of The Conversation AFRICA.

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The wandering albatross ( Diomedea exulans ) is the world’s largest flying bird , with a wingspan reaching an incredible 3.5 metres. These birds are oceanic nomads: they spend most of their 60 years of life at sea and only come to land to breed approximately every two years once they have reached sexual maturity.

Their playground is the vast Southern Ocean – the region between the latitude of 60 degrees south and the continent of Antarctica – and the scattered islands within this ocean where they make their nests.

Marion Island and Prince Edward Island , about 2,300km south of South Africa, are some of the only land masses for thousands of kilometres in the Southern Ocean.

Together, these two islands support about half of the entire world’s wandering albatross breeding population, estimated at around 20,000 mature individuals . Every year scientists from South African universities survey Marion Island to locate and record each wandering albatross nest.

The species, listed as vulnerable by the International Union for Conservation of Nature , faces huge risks while in the open ocean, in particular due to bycatch from longline fishing trawlers. This makes it important to understand their breeding ecology to ensure that the population remains stable.

I was part of a study during 2021 to investigate which environmental variables affect the birds’ choice of nest site on Marion Island. The birds make their nests – a mound of soil and vegetation – on the ground. We looked at wind characteristics, vegetation and geological characteristics at nest locations from three breeding seasons.

Elevation turned out to be the most important variable – the albatrosses preferred a low (warmer) site and coastal vegetation. But these preferences also point to dangers for the birds from climate change. The greatest risk to the availability of nesting sites will be a much smaller suitable nesting range in future than at present. This could be devastating to the population.

Variables influencing nest site selection

Marion Island is of volcanic origin and has a rough terrain. Some areas are covered in sharp rock and others are boggy, with very wet vegetation. There is rain and strong wind on most days. Conducting research here requires walking long distances in all weathers – but the island is ideal for studying climate change, because the Southern Ocean is experiencing some of the largest global changes in climate and it is relatively undisturbed by humans.

Using GPS coordinate nest data from the entire breeding population on Marion Island, we aimed to determine which factors affected where the birds breed. With more than 1,900 nests, and 10,000 randomly generated points where nests are not present, we extracted:

elevation (which on this island is also a proxy for temperature)

terrain ruggedness

distance to the coast

vegetation type

wind turbulence

underlying geology.

The variables were ranked according to their influence on the statistical model predicting the likelihood of a nest being present under the conditions found at a certain point.

The most important variable was elevation. The majority of the nests were found close to the coast, where the elevation is lower. These areas are warmer, which means that the chicks would be less exposed to very cold temperatures on their open nests.

The probability of nests being present also declined with distance from the coast, probably because there are more suitable habitats closer to the coast.

Vegetation type was strongly determined by elevation and distance from the coast. This was an important factor, as the birds use vegetation to build their nests. In addition, dead vegetation contributes to the soil formation on the island, which is also used in nest construction.

The probability of encountering nests is lower as the terrain ruggedness increases since these birds need a runway of flat space to use for take-off and landing. During incubation, the adults take turns to remain on the nest. Later they will leave the chick on its own for up to 10 days at a time. They continue to feed the chick for up to 300 days.

Areas with intermediate wind speeds were those most likely to have a nest. At least some wind is needed for flight, but too much wind may cause chicks to blow off the nests or become too cold.

Delicate balance

Changing climates may upset this delicate balance. Human-driven changes will have impacts on temperature, rainfall and wind speeds, which in turn affect vegetation and other species distribution patterns .

By 2003, Marion Island’s temperature had increased by 1.2°C compared to 50 years before. Precipitation had decreased by 25% and cloud cover also decreased, leading to an increase in sunshine hours . The permanent snowline which was present in the 1950s no longer exists . These changes have continued in the 20 years since their initial documentation, and are likely to continue.

Strong vegetation shifts were already documented in the sub-Antarctic years ago. Over 40 years, many species have shifted their ranges to higher elevations where the temperatures remain cooler. Wind speeds have also already increased in the Southern Ocean and are predicted to continue doing so, which may have effects on the size of areas suitable for nesting.

If nesting sites move to higher elevations on Marion Island as temperatures warm, and some areas become unsuitable due to changes in vegetation or wind speeds, it is likely that the suitable nesting area on the island will shrink considerably.

Our study adds to what is known about the elements affecting nest-site selection in birds. Notably, we add knowledge of wind, an underexplored element, influencing nest-site selection in a large oceanic bird. The results could also provide insights that apply to other surface-nesting seabirds.

• Climate change
• Southern ocean
• Natural world

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Wandering Albatross: Is This Animal Endangered?

By: Author Our Endangered World

Posted on Last updated: September 26, 2023

Wandering albatross populations have been declining because of human activities; we need to make sure we protect them so that Wandering Albatrosses can continue to wander. These seabirds are large seabirds native to the Southern Hemisphere.

• Status: Vulnerable 
• Known as : Wandering Albatross, White-winged albatross, snowy albatross.
• Estimated numbers left in the wild: 20,000 adults.
• Fun fact: Wandering albatrosses can eat to such excess at times that they are unable to fly and have to rest helplessly on the water.

Wandering albatross populations have been declining because of human activities, and Wandering albatrosses need our help in order for them to continue their migration patterns. The wandering albatross is a vulnerable species that need protection from humans in order to survive.

Table of Contents

Description

Vast and graceful, the wandering albatross spreads its wings towards the south like the biblical hawk, cruising the southern hemisphere’s skies on pinions that spread up to 3.5 meters, the largest wingspan found in any living bird .

Wandering albatrosses like albatross can migrate for thousands of miles, depending on which hemisphere Wandering Albatross is in.

Their chicks are very vulnerable until they grow their adult feathers, and Wandering Albatross adults are often captured by long-line fishing every year, which is harmful to the albatross populations.

• They migrate for thousands of miles to spend winter months in Antarctica and summer in the Southern Hemisphere.

This albatross species are very rare, with only 50 estimated left in the world.

The seabird faces many threats such as pollution, disturbance due to man-made sources like fishing boats and wind turbines, and predation by invasive species.

Anatomy and Appearance

These albatrosses measure 1.1 meters long and can weigh 10 kilograms. Their snowy white feathers and black and white wings give them a handsome appearance, especially contrasted with the ocean’s deep blue, while their beaks are long, sturdy, and yellowish, adapted for snapping up prey. They have the longest wingspan and shallow dives.

The albatross is superbly adapted for soaring flight despite its large size and can glide for hours before it needs to beat its wings to regain height.

When not breeding, these birds spend all their time at sea, far from even the island’s limited land . They sleep on the water’s surface and spend days gliding and flying in search of food.

See Related : Andean Flamingo

The Wandering albatross is found over the oceans of the southern hemisphere. Airborne for much of their lives, these huge birds also rest on the sea’s surface.

They travel to a handful of remote islands outside the Antarctic Circle to breed, including Prince Edward Island, Crozet Island, South Georgia Island, and Macquarie Island.

Its living range covers 65 million square kilometers, and its breeding area is confined to just under 2,000 square kilometers.

Wandering Albatross Habitat

Wandering albatrosses live in the Southern Hemisphere and mainly Antarctica. This seabird flies very long distances to migrate every year, making them one of the most well-traveling birds in the world.

They tend to stay in their typical coastal habitat which is around the sea and land with enough food for them to survive.

Wandering Albatrosses are not just found in one area of the world, they are all over the southern half of the world.

The bird commonly breed on islands off South America, South Africa, Australia, New Zealand, and island territories of the United Kingdom near Antarctica.

Wandering Albatross Diet and Nutrition

Wandering Albatrosses are opportunistic feeders and will consume a variety of prey items. Their diet consists of cephalopods, fish, crustaceans, and marine mammals. They have also been known to eat seabirds, including penguins.

The birds are night feeders. Squid and fish schools are their favored feeding areas, though they also follow fishing boats to gobble up refuse – and thus possibly run afoul of long-line fishing lines.

They are prodigious wanderers and can travel up to 6,000 kilometers in twelve days. Patagonian toothfish is a favorite food, but any squid or fish that can be seized at the surface in the bird’s powerful beak will do.

These birds catch their prey with their bills and feet, but will also snatch at prey off the water’s surface. They can swallow small prey whole and regurgitate indigestible parts such as bones, scales, and fins.

Wandering Albatross Mating Habits

Wandering Albatrosses are known for their elaborate mating rituals. The males and females perform a dance together, and the male will offer the female a gift of food.

If the female accepts the gift, the two birds will mate. They are monogamous throughout their lives. The seabird is found in the Southern Hemisphere, but they migrate for thousands of miles to spend winter months in Antarctica and summer months in the Northern Hemisphere.

Many Wandering Albatrosses lay one egg, but breeding albatrosses have been reported to lay up to three eggs. These seabird species are monogamous and mate for life.

Wandering Albatrosses have a courtship ritual that involves circling the mate before copulation. The Wandering Albatross is a very long-lived bird with a lifespan of 60-70 years in the wild.

Albatrosses mate for life and nest in colonies on remote southern islands close to the Antarctic circle. They build large nests out of moss and other vegetation and lay a single elongated, 10-centimeter egg, which is cared for alternately by both parents.

The young albatross takes about nine months to fledge, during which time its parents feed it. If they do not run afoul of fishing lines or die from ingested plastic garbage , albatrosses can live for up to half a century in the wild.

See Related : Most Interesting Birds in the World

Wandering Albatross and Human Relationship

Wandering Albatrosses are well known to have a strong, though not always successful, relationship with humans.

They often mistake boats and wind turbines as resting spots. This is because Wandering Albatrosses often imitate other albatrosses who are sitting on these structures.

The seabird is also threatened by invasive species that humans introduce o their habitats such as rats, pigs, cats, and dogs which prey on their chicks or kill adult Albatrosses by stealing their food caches.

Role in the Ecosystems

Wandering Albatrosses play a very important role in the ecosystem. They are considered “charismatic megafauna”, meaning they are large, easily identifiable animals that are popular with the public.

Their popularity draws attention to the conservation issues that they face and helps to raise awareness about the dangers they face.

They are important in the ecosystem because these birds are large seabirds that mainly feed on crustaceans. They can form massive breeding colonies on coasts and islands occurring at more than one hundred sites, where they nest or lay their eggs.

Wandering Albatross Facts

Here are the interesting facts you need to know about this species.

• The Wandering Albatross is a large seabird and the only member of the genus Diomedea.
• They can be found around almost all of the Southern Ocean.
• The seabirds nest on many sub-Antarctic islands where they are threatened by many invasive species.
• They are the largest seabird in the world.
• They have a wingspan of up to 11 feet and can weigh up to 30 pounds.
• The albatross eat fish and squid and they hunt at night while gliding over the ocean.

See Related: These Are 13 of the Longest Living Animals on Earth

Conservation Status

The Wandering Albatross is currently listed as a vulnerable species This is because the bird’s population has declined by more than 50% in the past three generations. There are many threats that face albatrosses, and conservationists are working hard to protect these animals.

Their colonies are also jeopardized due to human encroachment on nesting areas without proper conservation efforts.

The wandering albatross is relatively well protected, both by its remote location and by-laws. However, its population is still slowly declining for slightly mysterious reasons.

The most likely culprits are long-line fishing fatalities, as the birds become hooked and drown, and plastics’ ingestion can kill both chicks and adults.

The birds were once hunted for feathers for women’s hats, but this practice is long gone thanks to changing fashion. Kerguelen Island is infested with feral cats, which have wiped out entire broods of chicks.

See Related : Causes of Extinction You Should Know About

Conservation efforts

The islands where the wandering albatross nests are thoroughly protected as nature reserves and, in one case, as a UNESCO World Heritage Site.

Improved long-line fishing regulations have dramatically reduced the by-catch of these beautiful animals, and more measures are being developed.

Cats have been exterminated from another island they colonized, and further extirpation efforts are being carried out or are planned.

Albatrosses and Petrels Conservation

In 2001, the Agreement on the Conservation of Albatrosses and Petrels was formed to help better protect these creatures. The agreement is a collaborative effort between 24 different nations, including the United States of America.

The main goals of the agreement are to:

• reduce bycatch and mortality of albatrosses and petrels;
• identify and mitigate threats to albatrosses and petrels, including climate change ; promote effective management of albatrosses and petrels; and
• increase public awareness of the importance of albatrosses and petrels.

Captive Breeding

One way that researchers are trying to save seabird is by captive breeding. Captive breeding is when animals are bred in controlled settings, such as zoos or wildlife sanctuaries. This is done in an effort to increase the population size of a species and reduce the risk of extinction.

So far, captive breeding has been successful for these sea bird species. The albatross captive population or breeding population added to the total population that has increased to about 1100 individuals since captive breeding was started in 2004.

Organizations

Do you know of or are you a part of an organization that works to conserve the Amsterdam Albatross ? Then please contact us to have it featured on Our Endangered World .

See Related :  Fascinating Facts About Conservation

Final Thoughts

Wandering Albatrosses are large seabirds that migrate to spend the winter in Antarctica and summer in the Southern Hemisphere.

They face many threats such as pollution, disturbance due to man-made sources like fishing boats and wind turbines, predation by invasive species such as rats, pigs, cats, and dogs. The bird is currently listed as a vulnerable species This is because its population has declined by more than 50% in 3 generations.

There are many conservation efforts being undertaken for this animal including improved long-line fishing regulations which have reduced the bycatch of these birds dramatically.

Also eradicating feral cats from one island they had colonized with plans for further extirpations underway. With so much work being done for this animal, Wandering Albatrosses will hopefully become less vulnerable.

What is Wandering Albatross?

Wandering Albatross are large seabirds that have a wingspan of 6.6 ft and are larger than the wingspan of any bird– it is the largest living member of the family Diomedeidae.

Wanderers can be found in subtropical regions throughout Southern Hemisphere, nesting on isolated islands and coastal cliffs. Wanderers typically migrate for thousands of miles to spend winter months in Antarctica and summer in the Southern Hemisphere.

Where is the wandering albatross found?

Wandering albatrosses migrate for thousands of kilometers each year to spend the winter in Antarctica and summer in the southern oceans.

How many Wandering Albatrosses are left in the world?

It’s not easy to count Wandering Albatross populations. The species is present in five continents and its population is being evaluated everywhere it is found.

It’s 11,000 of this species according to Guinness World Records 2004 edition. World Wildlife Fund estimates that there are 12,000 today globally, but noted many surveys still need to be done before a reliable estimate can be obtained.

Why is Wandering Albatrosses threatened?

Wandering Albatrosses are threatened by the erosion of their nesting site, habitat destruction caused by people settling around the albatross’s breeding grounds and roosting sites, and predation of the seabird’s chicks.

Many dangers endanger the subterranean world, including pollution, human activity, and other man-made factors such as boats and wind turbines. Rat predation is one of the most common threats to these creatures.

Are wandering albatross still alive?

The wandering albatross is still alive! They migrate for vast distances. These albatross is a vulnerable species because they face many different environmental factors that threaten their survival.

How long can a wandering albatross fly nonstop?

Wandering Albatross is not able to fly nonstop due to its large size. They are able to glide for two hours without needing a break but cannot refuel in flight, and may require months of food and water when they land at breeding sites.

The sea bird often lands on ships and buildings in search of food and water because natural sources like seals, penguins, plankton, krill, or squid can no longer support them without threats from pollution or other man-made properties such as boats or wind turbines.

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Wandering Albatross

Diomedea exulans

Known for its majestic wingspan and far-ranging travels, the Wandering Albatross is a captivating presence in the Southern Ocean's expanse. As the bird with the widest wingspan globally, this remarkable creature glides effortlessly across vast oceanic distances, its brilliant white plumage and solitary habits making it a unique symbol of the wild, open sea.

On this page

Appearance and Identification

Vocalization and sounds, behavior and social structure, distribution and habitat, lifespan and life cycle, conservation status, similar birds.

Males and females have similar plumage

Primary Color

Primary color (juvenile), secondary colors.

Black, Grey

Secondary Colors (female)

Secondary colors (juvenile).

White, Grey

Secondary Colors (seasonal)

Wing color (juvenile).

Large, Hooked

Beak Color (juvenile)

Leg color (juvenile), distinctive markings.

Black wings, white tail, large pink beak

Distinctive Markings (juvenile)

Darker than adults, brown beak

Tail Description

White with black edges

Tail Description (juvenile)

Brown with white edges

Size Metrics

107cm to 135cm

250cm to 350cm

6.72kg to 12kg

Click on an image below to see the full-size version

Pair of Wandering Albatrosses

Juvenile Wandering Albatross

Wandering Albatross resting on the sea

Wandering Albatross in-flight over the ocean

Wandering Albatross at nest with downy chick

Primary Calls

Series of grunts and whistles

Call Description

Most vocal on breeding grounds, otherwise silent

Alarm Calls

Loud, harsh squawks

Daily Activities

Active during day, rests on water surface at night

Social Habits

Solitary at sea, social on breeding grounds

Territorial Behavior

Defends nest site during breeding season

Migratory Patterns

Non-migratory but wanders widely at sea

Interaction with Other Species

Occasionally forms loose flocks at sea

Primary Diet

Fish, Squid

Feeding Habits

Surface seizes and scavenges

Feeding Times

Day and night

Prey Capture Method

Plunge-diving, surface-seizing

Diet Variations

May eat carrion

Special Dietary Needs (if any)

Nesting location.

On ground on isolated islands

Nest Construction

Mound of mud and vegetation

Breeding Season

Every other year

Number of clutches (per breeding season)

Once every two years

Egg Appearance

White, oval

Clutch Characteristics

Incubation period.

Around 80 days

Fledgling Period

Approximately 9 months

Parental Care

Both parents incubate and feed chick

Geographic Range

Circumpolar in Southern Ocean

Habitat Description

Open ocean, breeds on remote islands

Elevation Range

Migration patterns, climate zones.

Polar, Temperate

Distribution Map

Please note, this range and distribution map is a high-level overview, and doesn't break down into specific regions and areas of the countries.

Non-breeding

Lifespan range (years)

Average lifespan, maturity age.

7-10 year(s)

Breeding Age

Reproductive behavior.

Monogamous, long-term pair bonds

Age-Related Changes

Younger birds are darker, gain white plumage with age

Current Status

Vulnerable (IUCN Red List)

Major Threats

Longline fishing, plastic ingestion, climate change

Conservation Efforts

Protected under international law, conservation programs on breeding islands

Population Trend

Slow but steady population decrease due to threats

Royal Albatross

Diomedea epomophora

Classification

Other names:

Snowy Albatross, White-winged Albatross

Population size:

Population trend:

Conservation status:

IUCN Red List

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Fact Animal

Facts About Animals

Wandering Albatross Facts

Wandering albatross profile.

In 1961, Dion and the Del Satins had a song from the perspective of an albatross. It wasn’t accurate on many counts, but it did get one thing right: they get around.

The Diomedea exulans, more commonly known as the wandering albatross is perhaps the most accomplished wanderer of any animal, with routine voyages of hundreds of kilometres per day on record-breaking wings.

They are a large seabird with a circumpolar range in the Southern Ocean, and sometimes known as snowy albatross, white-winged albatross or goonie.

Wandering Albatross Facts Overview

The wandering albatross breeds on islands in the South Atlantic Ocean, such as South Georgia Island, Crozet Islands, Prince Edward Island and others.

They spend most of their life in flight , and land only to breed and feed.

These are phenomenal birds, capable of surviving some of the harshest weather conditions even at the most vulnerable stages of their development.

They are slow to reproduce, spending extra time to develop into one of the biggest and most specialised animals in the air.

Sadly, this is what makes them vulnerable to population declines, and longline fishing vessels are responsible for many adult deaths.

Interesting Wandering Albatross Facts

1. they can travel 120k km (75k) miles in a year.

The Wandering albatross might be the most wide-ranging of all foraging sea birds, and maybe of all animals. They’ve been tracked over 15,000 km in a single foraging trip, capable of speeds of up to 80 kmph and distances of over 900 km per day. 1

2. They’re monogamous (mostly)

This goes against the entire theme of the Del Satins song and is probably why it’s no longer used as a learning aid in the zoological curriculum.

Contrary to the promiscuous subject of the ‘60s hit, the Wandering Albatrosses mate for life and are (on average) monogamous.

When breeding, they take on incubation shifts, and it’s during these periods when the wanderer goes out on their epic voyages to return with food for their family.

Still, there’s an element of personal preference when it comes to breeding.

Most females will take a year or two off after the long and arduous task of reproduction. During this time the parents will go their separate ways, only to reunite when the time is right.

In these periods, some females will take on a temporary mate, so they can squeeze out one more chick before reuniting with their permanent nesting partner. 2

3. Wandering albatross are active in moonlight

When on these journeys, the albatross is almost constantly active. During the day they spend the entire time in the air, and while they don’t cover much distance at night, they were still recorded almost constantly moving – never stopping for more than 1.6h in the dark.

They appear to travel more on moonlit nights than on darker ones.

All of this data comes from satellite trackers attached to some birds, which are always going to skew the results.

Flying birds are optimised for weight, and trackers add to this weight, so there’s necessarily a negative effect on the individual’s fitness when lumbering them with a tracker.

Still, these subjects were able to outlast the trackers’ batteries on many occasions, and it’s safe to assume they’re capable of even more than we can realistically measure!

4. They have the largest wingspan of any bird in the world

One advantage that an albatross has over, say, a pigeon, when it comes to carrying a researcher’s hardware, is that it doesn’t need to flap much.

The albatross is the bird with the longest wingspan of any flying animal – growing up to 3.2 m (10.5 ft), and these wings are meticulously adapted for soaring.

The Guiness Book of Records claims the largest wingspan of any living species of bird was a wandering albatross with a wingspan of 3.63m (11 ft 11) caught in 1965 by scientists on the Antarctic research ship USNS Eltanin in the Tasman Sea.

Research has suggested that these wings function best against slight headwinds, and act like the sails of a boat, allowing the bird to cover more ground by “tacking”, like a sailboat: zig-zagging across the angle of the wind to make forward progress into it. 3

5. Fat chicks

As mentioned, these voyages are usually a result of foraging trips for their chicks.

The environment for a growing albatross is one of the least conducive for life. Freezing winter storms and exposed ledges make for a hilly upbringing for the baby birds.

Fed on a healthy diet of regurgitated squid, these albatross chicks grow to enormous sizes. On nesting sites, it’s not uncommon to find a fluffy baby albatross weighing up to 10kg.

These chicks are heavier than their parents, and they need the extra mass to protect them from the Winter season while they grow into fledglings. They’re also such big birds that they take longer than a season to reach maturity.

It takes around ten months of feeding, back and forth from the ocean every few days, for the parents to grow a healthy adult offspring.

6. Being a parent takes practice

When inexperienced parents were compared with those who’d brought up chicks before, it was found that their chicks are a little slower to fatten up, at least in the first few months.

Parents would feed less regularly, but with much larger amounts, and it seems to take a while to get the routine down.

By the end of the breeding season, these differences disappeared and the parents became fully qualified.

7. 25% of chicks die when they leave the colony

The huge chicks have one of the longest rearing periods of any bird, and this is after an 11-month incubation period! And if they survive all this, they still have a long way to go.

There’s a period of 3 to 7 years during which the young chick will leave the colony alone and spend the entire time at sea.

During the first two months of this learning phase, 25% of chicks die. This is a critical time for the young birds, but if they survive, they’ll return to the colony and find a mate. 4

8. They’re good sniffers

These birds feed primarily on smelly things like squid, and they’ve developed a very keen sense of smell to find them from downwind.

Wandering Albatrosses have one of the largest olfactory bulbs of any bird and they’re honed to fishy aromas.

They combine this sense with strong vision to identify productive areas of the ocean for hunting and foraging. 5

9. They are part of a ‘species complex’

When multiple species are so similar in appearance and other features, it makes their boundaries unclear and this group is known as a species complex.

The wandering albatross was long considered the same species as the Tristan albatross and the Antipodean albatross. Along with the Amsterdam albatross, they form a species complex.

Taxonomy of animals in general is tricky, and some researchers still describe them as the same species.

10. The wandering albatross is vulnerable

The ICUN has classified the wandering albatross as vulnerable, and the last study of their population size in 2007 indicated there were an estimated 25,000 birds.

The biggest threat to their survival is fishing, in particular longline fishing. This is where a long mainline is used with baited hooks, and they are prone to accidental catching of birds, as well as dolphins, sharks, turtles and other sea creatures. Pollution, mainly from plastics and fishing hooks is also a problem for birds such as the wandering albatross.

Convervation efforts are underway to reduce bycatch of albatrosses and some breeding islands are now classified as nature reserves.

Wandering Albatross Fact-File Summary

Scientific classification, fact sources & references.

• Jouventin, P., Weimerskirch, H (1990), “ Satellite tracking of Wandering albatrosses “, Nature.
• GrrlScientist (2022), “ Divorce Is More Common In Albatross Couples With Shy Males, Study Finds “, Forbes.
• Richardson, P. L., Wakefield, E. D., & Phillips, R. A. (2018), “ Flight speed and performance of the wandering albatross with respect to wind “, Movement Ecology.
• Weimerskirch, H., Cherel, Y., Delord, K., Jaeger, A., Patrick, S. C., & Riotte-Lambert, L. (2014), “ Lifetime foraging patterns of the wandering albatross: Life on the move! “, Journal of Experimental Marine Biology and Ecology.
• Nevitt, G. A., Losekoot, M., & Weimerskirch, H. (2008), “ Evidence for olfactory search in wandering albatross, Diomedea exulans “, Proceedings of the National Academy of Sciences.

Smithsonian Ocean

Wandering albatross.

A wandering albatross has the largest wingspan of any bird, 3.5 meters (11.5 feet) tip to wing tip.

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Diomedea exulans wandering albatross

Geographic Range

Wandering albatrosses are found almost exclusively in the Southern Hemisphere, although occasional sightings just north of the Equator have been reported. ( Birdlife International, 2006 ; Shirihai, 2002 )

There is some disagreement over how many subspecies of wandering albatross ( Diomedea exulans ) there are, and whether they should be considered separate species. Most subspecies of Diomedea exulans are difficult to tell apart, especially as juveniles, but DNA analyses have shown that significant differences exist. ( Birdlife International, 2006 ; Shirihai, 2002 )

Diomedea exulans exulans breeds on South Georgia, Prince Edward, Marion, Crozet, Kerguelen, and Macquarie islands. Diomedea exulans dabbenena occurs on Gough and Inaccessible islands, ranging over the Atlantic Ocean to western coastal Africa. Diomedea exulans antipodensis is found primarily on the Antipodes of New Zealand, and ranges at sea from Chile to eastern Australia. Diomedea exulans amsterdamensis is found only on Amsterdam Island and the surrounding seas. Other subspecies names that have become obsolete include Diomedea exulans gibsoni , now commonly considered part of D. e. antipodensis , and Diomedea exulans chionoptera , considered part of D. e. exulans . ( Birdlife International, 2006 ; Shirihai, 2002 )

• Biogeographic Regions

Wandering albatrosses breed on several subantarctic islands, which are characterized by peat soils, tussock grass, sedges, mosses, and shrubs. Wandering albatrosses nest in sheltered areas on plateaus, ridges, plains, or valleys.

Outside of the breeding season, wandering albatrosses are found only in the open ocean, where food is abundant. ( Birdlife International, 2006 ; Shirihai, 2002 )

• Habitat Regions
• terrestrial
• saltwater or marine
• Terrestrial Biomes
• savanna or grassland
• Aquatic Biomes

Physical Description

All subspecies of wandering albatrosses have extremely long wingspans (averaging just over 3 meters), white underwing coverts, and pink bills. Adult body plumage ranges from pure white to dark brown, and the wings range from being entirely blackish to a combination of black with white coverts and scapulars. They are distinguished from the closely related royal albatross by their white eyelids, pink bill color, lack of black on the maxilla, and head and body shape. On average, males have longer bills, tarsi, tails, and wings than females. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

Juveniles of all subspecies are very much alike; they have chocolate-brown plumage with a white face and black wings. As individuals age, most become progressively whiter with each molt, starting with the back. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

D. e. exulans averages larger than other recognized subspecies, and is the only taxon that achieves fully white body plumage, and this only in males. Although females do not become pure white, they can still be distinguished from other subspecies by color alone. Adults also have mostly white coverts, with black only on the primaries and secondaries. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

Adults of D. e. amsterdamensis have dark brown plumage with white faces and black crowns, and are distinguished from juveniles by their white bellies and throats. In addition to their black tails, they also have a black stripe along the cutting edge of the maxilla, a character otherwise found in D. epomophora but not other forms of D. exulans . Males and females are similar in plumage. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

Adults of D. e. antipodensis display sexual dimorphism in plumage, with older males appearing white with some brown splotching, while adult females have mostly brown underparts and a white face. Both sexes also have a brown breast band. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

With age, D. e. dabbenena gradually attains white plumage, although it never becomes as white as male D. e. exulans . The wing coverts also appear mostly black, although there may be white patches. Females have more brown splotches than males, and have less white in their wing coverts. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

• Other Physical Features
• endothermic
• homoiothermic
• bilateral symmetry
• Sexual Dimorphism
• sexes alike
• male larger
• sexes colored or patterned differently
• Average mass 8130 g 286.52 oz AnAge
• Range length 1.1 to 1.35 m 3.61 to 4.43 ft
• Range wingspan 2.5 to 3.5 m 8.20 to 11.48 ft
• Average wingspan 3.1 m 10.17 ft
• Average basal metabolic rate 20.3649 W AnAge

Reproduction

Wandering albatrosses have a biennial breeding cycle, and pairs with chicks from the previous season co-exist in colonies with mating and incubating pairs. Pairs unsuccessful in one year may try to mate again in the same year or the next one, but their chances of successfully rearing young are low. ( Shirihai, 2002 ; Tickell, 1968 )

After foraging at sea, males arrive first at the same breeding site every year within days of each other. They locate and reuse old nests or sometimes create new ones. Females arrive later, over the course of a few weeks. Wandering albatrosses have a monogamous mating strategy, forming pair bonds for life. Females may bond temporarily with other males if their partner and nest are not readily visible. ( Shirihai, 2002 ; Tickell, 1968 )

• Mating System

Copulation occurs in the austral summer, usually around December (February for D. e. amsterdamensis ). Rape and extra-pair copulations are frequent, despite their monogamous mating strategy. Pairs nest on slopes or valleys, usually in the cover of grasses or shrubs. Nests are depressions lined with grass, twigs, and soil. A single egg is laid and, if incubation or rearing fails, pairs usually wait until the following year to try again. Both parents incubate eggs, which takes about 78 days on average. Although females take the first shift, males are eager to take over incubation and may forcefully push females off the egg. Untended eggs are in danger of predation by skuas ( Stercorarius ) and sheathbills ( Chionis ). ( Shirihai, 2002 ; Tickell, 1968 )

After the chick hatches, they are brooded for about 4 to 6 weeks until they can be left alone at the nest. Males and females alternate foraging at sea. Following the brooding period, both parents leave the chick by itself while they forage. The chicks are entirely dependent on their parents for food for 9 to 10 months, and may wait weeks for them to return. Chicks are entirely independent once they fledge. ( Shirihai, 2002 ; Tickell, 1968 )

Some individuals may reach sexual maturity by age 6. Immature, non-breeding individuals will return to the breeding site. Group displays are common among non-breeding adults, but most breeding adults do not participate. ( Shirihai, 2002 ; Tickell, 1968 )

• Key Reproductive Features
• iteroparous
• seasonal breeding
• gonochoric/gonochoristic/dioecious (sexes separate)
• Breeding interval Breeding occurs biennially, possibly annually if the previous season's attempt fails.
• Breeding season Breeding occurs from December through March.
• Average eggs per season 1
• Range time to hatching 74 to 85 days
• Range fledging age 7 to 10 months
• Range time to independence 7 to 10 months
• Range age at sexual or reproductive maturity (female) 6 to 22 years
• Average age at sexual or reproductive maturity (female) 10 years
• Range age at sexual or reproductive maturity (male) 6 to 22 years
• Average age at sexual or reproductive maturity (male) 10 years

Males choose the nesting territory, and stay at the nest site more than females before incubation. Parents alternate during incubation, and later during brooding and feeding once the chick is old enough to be left alone at the nest. Although there is generally equal parental investment, males will tend to invest more as the chick nears fledging. Occasionally, a single parent may successfully rear its chick. ( Shirihai, 2002 ; Tickell, 1968 )

• Parental Investment
• provisioning

Lifespan/Longevity

Wandering albatrosses are long-lived. An individual nicknamed "Grandma" was recorded to live over 60 years in New Zealand. Due to the late onset of maturity, with the average age at first breeding about 10 years, such longevity is not unexpected. However, there is fairly high chick mortality, ranging from 30 to 75%. Their slow breeding cycle and late onset of maturity make wandering albatrosses highly susceptible to population declines when adults are caught as bycatch in fishing nets. ( Birdlife International, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

• Range lifespan Status: wild 60 (high) years
• Average lifespan Status: wild 415 months Bird Banding Laboratory

While foraging at sea, wandering albatrosses travel in small groups. Large feeding frenzies may occur around fishing boats. Individuals may travel thousands of kilometers away from their breeding grounds, even occasionally crossing the equator.

During the breeding season, Wandering albatrosses are gregarious and displays are common (see “Communication and Perception” section, below). Vocalizations and displays occur during mating or territorial defense. ( Shirihai, 2002 ; Tickell, 1968 )

• Key Behaviors
• territorial
• Average territory size 1 m^2

Wandering albatrosses defend small nesting territories, otherwise the range within which they travel is many thousands of square kilometers. ( Shirihai, 2002 ; Tickell, 1968 )

Communication and Perception

Displays and vocalizations are common when defending territory or mating. They include croaks, bill-clapping, bill-touching, skypointing, trumpeting, head-shaking, the "ecstatic" gesture, and "the gawky-look". Individuals may also vocalize when fighting over food. ( Shirihai, 2002 )

• Communication Channels
• Perception Channels

Food Habits

Wandering albatrosses primarily eat fish, such as toothfish ( Dissostichus ), squids, other cephalopods, and occasional crustaceans. The primary method of foraging is by surface-seizing, but they have the ability to plunge and dive up to 1 meter. They will sometimes follow fishing boats and feed on catches with other Procellariiformes , which they usually outcompete because of their size. ( Birdlife International, 2006 ; Shirihai, 2002 )

• Primary Diet
• molluscivore
• Animal Foods
• aquatic crustaceans

Although humans formerly hunted wandering albatrosses as food, adults currently have no predators. Their large size, sharp bill, and occasionally aggressive behavior make them undesirable opponents. However, some are inadvertently caught during large-scale fishing operations.

Chicks and eggs, on the other hand, are susceptible to predation from skuas and sheathbills, and formerly were harvested by humans as well. Eggs that fall out of nests or are unattended are quickly preyed upon. Nests are frequently sheltered with plant material to make them less conspicuous. Small chicks that are still in the brooding stage are easy targets for large carnivorous seabirds. Introduced predators, including mice, pigs, cats, rats, and goats are also known to eat eggs and chicks. ( Birdlife International, 2006 ; IUCN, 2006 ; Shirihai, 2002 ; Tickell, 1968 )

• skuas ( Stercorariidae )
• sheathbills ( Chionis )
• domestic cats ( Felis silvestris )
• introduced pigs ( Sus scrofa )
• introduced goats ( Capra hircus )
• introduced rats ( Rattus rattus and Rattus norvegicus )
• introduced mice ( Mus musculus )

Ecosystem Roles

Wandering albatrosses are predators, feeding on fish, cephalopods, and crustaceans. They are known for their ability to compete with other seabirds for food, particularly near fishing boats. Although adult birds, their eggs, and their chicks were formerly a source of food to humans, such practices have been stopped. ( IUCN, 2006 ; Shirihai, 2002 )

Economic Importance for Humans: Positive

Wandering albatrosses have extraordinary morphology, with perhaps the longest wingspan of any bird. Their enormous size also makes them popular in ecotourism excursions, especially for birders. Declining population numbers also mean increased conservation efforts. Their relative tameness towards humans makes them ideal for research and study. ( Shirihai, 2002 )

• Positive Impacts
• research and education

Economic Importance for Humans: Negative

Wandering albatrosses, along with other seabirds, follow fishing boats to take advantage of helpless fish and are reputed to reduce economic output from these fisheries. Albatrosses also become incidental bycatch, hampering conservation efforts. ( Birdlife International, 2006 ; IUCN, 2006 ; Shirihai, 2002 )

Conservation Status

Diomedea exulans exulans and Diomedea exulans antipodensis are listed by the IUCN Red list and Birdlife International as being vulnerable; Diomedea exulans dabbenena is listed as endangered, and Diomedea exulans amsterdamensis is listed as critically endangered.

All subspecies of Diomedea exulans are highly vulnerable to becoming bycatch of commercial fisheries, and population declines are mostly attributed to this. Introduced predators such as feral cats , pigs , goats , and rats on various islands leads to high mortality rates of chicks and eggs. Diomedea exulans amsterdamensis is listed as critically endangered due to introduced predators, risk of becoming bycatch, small population size, threat of chick mortality by disease, and loss of habitat to cattle farming.

Some conservation measures that have been taken include removal of introduced predators from islands, listing breeding habitats as World Heritage Sites, fishery relocation, and population monitoring. ( Birdlife International, 2006 ; IUCN, 2006 ; Shirihai, 2002 )

• IUCN Red List Vulnerable More information
• US Migratory Bird Act No special status
• US Federal List No special status
• CITES No special status

Contributors

Tanya Dewey (editor), Animal Diversity Web.

Lauren Scopel (author), Michigan State University, Pamela Rasmussen (editor, instructor), Michigan State University.

the body of water between Africa, Europe, the southern ocean (above 60 degrees south latitude), and the western hemisphere. It is the second largest ocean in the world after the Pacific Ocean.

body of water between the southern ocean (above 60 degrees south latitude), Australia, Asia, and the western hemisphere. This is the world's largest ocean, covering about 28% of the world's surface.

uses sound to communicate

young are born in a relatively underdeveloped state; they are unable to feed or care for themselves or locomote independently for a period of time after birth/hatching. In birds, naked and helpless after hatching.

having body symmetry such that the animal can be divided in one plane into two mirror-image halves. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. Synapomorphy of the Bilateria.

an animal that mainly eats meat

uses smells or other chemicals to communicate

the nearshore aquatic habitats near a coast, or shoreline.

used loosely to describe any group of organisms living together or in close proximity to each other - for example nesting shorebirds that live in large colonies. More specifically refers to a group of organisms in which members act as specialized subunits (a continuous, modular society) - as in clonal organisms.

• active during the day, 2. lasting for one day.

humans benefit economically by promoting tourism that focuses on the appreciation of natural areas or animals. Ecotourism implies that there are existing programs that profit from the appreciation of natural areas or animals.

animals that use metabolically generated heat to regulate body temperature independently of ambient temperature. Endothermy is a synapomorphy of the Mammalia, although it may have arisen in a (now extinct) synapsid ancestor; the fossil record does not distinguish these possibilities. Convergent in birds.

offspring are produced in more than one group (litters, clutches, etc.) and across multiple seasons (or other periods hospitable to reproduction). Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes).

eats mollusks, members of Phylum Mollusca

Having one mate at a time.

having the capacity to move from one place to another.

the area in which the animal is naturally found, the region in which it is endemic.

generally wanders from place to place, usually within a well-defined range.

islands that are not part of continental shelf areas, they are not, and have never been, connected to a continental land mass, most typically these are volcanic islands.

reproduction in which eggs are released by the female; development of offspring occurs outside the mother's body.

An aquatic biome consisting of the open ocean, far from land, does not include sea bottom (benthic zone).

an animal that mainly eats fish

the regions of the earth that surround the north and south poles, from the north pole to 60 degrees north and from the south pole to 60 degrees south.

mainly lives in oceans, seas, or other bodies of salt water.

breeding is confined to a particular season

reproduction that includes combining the genetic contribution of two individuals, a male and a female

associates with others of its species; forms social groups.

uses touch to communicate

that region of the Earth between 23.5 degrees North and 60 degrees North (between the Tropic of Cancer and the Arctic Circle) and between 23.5 degrees South and 60 degrees South (between the Tropic of Capricorn and the Antarctic Circle).

Living on the ground.

defends an area within the home range, occupied by a single animals or group of animals of the same species and held through overt defense, display, or advertisement

A terrestrial biome. Savannas are grasslands with scattered individual trees that do not form a closed canopy. Extensive savannas are found in parts of subtropical and tropical Africa and South America, and in Australia.

A grassland with scattered trees or scattered clumps of trees, a type of community intermediate between grassland and forest. See also Tropical savanna and grassland biome.

A terrestrial biome found in temperate latitudes (>23.5° N or S latitude). Vegetation is made up mostly of grasses, the height and species diversity of which depend largely on the amount of moisture available. Fire and grazing are important in the long-term maintenance of grasslands.

uses sight to communicate

Birdlife International, 2006. "Species factsheets" (On-line). Accessed November 07, 2006 at http://www.birdlife.org .

IUCN, 2006. "2006 IUCN Red List of Threatened Species" (On-line). Accessed November 06, 2006 at http://www.iucnredlist.org .

Shirihai, H. 2002. The Complete Guide to Antarctic Wildlife . New Jersey: Princeton University Press.

Tickell, W. 1968. Biology of Great Albatrosses. Pp. 1-53 in Antarctic Bird Studies . Baltimore: Horn-Schafer.

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• Kingdom Animalia animals Animalia: information (1) Animalia: pictures (22861) Animalia: specimens (7109) Animalia: sounds (722) Animalia: maps (42)
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• Family Diomedeidae albatrosses Diomedeidae: pictures (27) Diomedeidae: specimens (6)
• Genus Diomedea royal and wandering albatrosses Diomedea: pictures (5) Diomedea: specimens (4)
• Species Diomedea exulans wandering albatross Diomedea exulans: information (1) Diomedea exulans: pictures (3)

To cite this page: Scopel, L. 2007. "Diomedea exulans" (On-line), Animal Diversity Web. Accessed May 17, 2024 at https://animaldiversity.org/accounts/Diomedea_exulans/

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Woods Hole, Mass. — Wandering albatrosses, which are an iconic sight in the Southern Ocean, are highly adapted to long-distance soaring flight. Their wingspan of up to 11 feet is the largest known of any living bird, and yet wandering albatrosses fly while hardly flapping their wings. Instead, they depend on dynamic soaring—which exploits wind shear near the ocean surface to gain energy—in addition to updrafts and turbulence.

Now researchers, including Philip Richardson , a senior scientist emeritus in Physical Oceanography Department at the Woods Hole Oceanographic Institution (WHOI), are unlocking more clues about exactly how wandering albatrosses are such amazing flyers.

In a new paper analyzing GPS tracks of wandering albatrosses, researchers have found that the birds’ airspeed increases with wind speed up to a maximum airspeed of 20 meters per second (m/s; 45 mph). Researchers developed a model of dynamic soaring, which predicts that the birds could fly much faster than 20 m/s. The paper concludes that the birds limit their airspeed by adjusting the turns in their trajectories to be around 60°, and that in low winds the birds exploit updrafts over waves to supplement dynamic soaring.

“We hypothesize that wandering albatrosses limit their maximum across-wind airspeeds to ~ 20 m/s in higher wind speeds (and greater wind turbulence), probably to keep the aerodynamic force on their wings during dynamic soaring well below the mechanically-tolerable limits of wing strength,” according to the paper, “Observations and Models of Across-wind Flight Speed of the Wandering Albatross,” published in the journal Royal Society Open Science .

The paper adds that, given the complex field of wind waves and swell waves often present in the Southern Ocean, “it is also possible that birds find it increasingly difficult to coordinate dynamic soaring maneuvers at faster speeds.”

Regarding low flight speeds by albatrosses, the paper notes that a theoretical model predicted that the minimum wind speed necessary to support dynamic soaring is greater than 3 m/s. “Despite this, tracked albatrosses were observed in flight at wind speeds as low as 2 m/s. We hypothesize at these very low wind speeds, wandering albatrosses fly by obtaining additional energy from updrafts over water waves,” according to the paper.

“We tried to figure out how these birds are using the winds to go long distances—without overstressing their wings—for foraging for food and returning to feed their chicks. To do that, we modeled dynamic soaring and what different turn angles would do to stress on the birds’ wings and speed over the water,” said journal paper co-author Richardson. A dynamic soaring trajectory is an s-shaped maneuver consisting of a series of connected turns, he noted.

“This research is a step in the direction of understanding how wandering albatrosses are able to do these foraging trips and maintain a fairly large population. These birds figured out an amazing way to use the wind to almost effortlessly soar for thousands of miles over the ocean. We wanted to find out exactly how they did it,” he said.

In addition to learning more about albatrosses, the study could have broader implications for helping researchers better understand how to use dynamic soaring to power potential albatross-type gliders to observe ocean conditions, Richardson added.

Trajectories of breeding wandering albatrosses nesting on South Georgia Island in the South Atlantic. These birds are highly adapted to long-distance soaring flight assisted by a wingspan of up to 11 feet--the largest known of any living bird. They use the winds to soar thousands of miles seeking food to bring back to nourish their chicks. (Map by Natalie Renier, ©Woods Hole Oceanographic Institution)

For the study, researchers used GPS to track 46 wandering albatrosses during foraging trips the birds made between February to September 2004. The birds were breeding on Bird Island, which is off the northwest tip of South Georgia in the Southern Atlantic Ocean. Wandering albatrosses lack sufficient musculature to sustain continuous flapping flight for long periods of time; however they have a shoulder lock that mechanically holds their wings outstretched so that little energy is expended while soaring, according to the paper.

Since the earliest days of scientific inquiry, the way that many birds are able soar—that is, fly without flapping their wings—has fascinated and perplexed observers, said paper co-author Ewan D. Wakefield , affiliate researcher at the University of Glasgow and postdoctoral research associate at the University of Durham, UK.  Wandering albatrosses are particularly remarkable for their ability to soar over the surface of the sea for long periods, covering vast distances, Wakefield said. He added that the physical principles explaining dynamic soaring flight were established over a century ago: Basically, albatrosses swoop up and down between layers of fast and slow moving air near the surface of the sea, gaining airspeed each time they do so.

“However, as our study shows, real-world albatross flight differs considerably from the predictions of simple physical models,” Wakefield said. “On the one hand, our GPS-tracking data show that they can and do fly in lighter winds than dynamic soaring models say should be possible. We suspect that this is because they can also fly by surfing updrafts created by the large waves that constantly surge around their Southern Ocean home. On the other hand, the upper limit of albatrosses' airspeed that we measured is much slower than physics predicts. We think that this is because albatrosses need to keep the forces on their wings within tolerable limits. After all, they're made from bone and muscle, not aluminum and titanium. Our study therefore points to ways in which theoretical models need to be refined to capture more faithfully the amazing complexity and beauty of albatross flight.”

Richardson recalled being entranced by wandering albatrosses ever since he observed them during a 1997 oceanographic cruise in the South Atlantic Ocean. “We were steaming upwind at 15 knots, pounding into waves, and these albatrosses caught up to us from astern and were cruising around and having a grand old time,” Richardson said. “I sat there for hours watching these birds in amazement, and wondering how they could fly like that. Now we are learning more about how they do it.”

Funding for this research was provided by the Woods Hole Oceanographic Institution emeritus fund and the UK Natural Environment Research Council.

Authors: Philip L. Richardson 1 and Ewan D. Wakefield 2

Affiliations:

1 Department of Physical Oceanography, Woods Hole Oceanographic Institution, Woods Hole, MA, USA

2 Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK

About Woods Hole Oceanographic Institution

The Woods Hole Oceanographic Institution (WHOI) is a private, non-profit organization on Cape Cod, Massachusetts, dedicated to marine research, engineering, and higher education. Established in 1930, its primary mission is to understand the ocean and its interaction with the Earth as a whole, and to communicate an understanding of the ocean’s role in the changing global environment. WHOI’s pioneering discoveries stem from an ideal combination of science and engineering—one that has made it one of the most trusted and technically advanced leaders in basic and applied ocean research and exploration anywhere. WHOI is known for its multidisciplinary approach, superior ship operations, and unparalleled deep-sea robotics capabilities. We play a leading role in ocean observation and operate the most extensive suite of data-gathering platforms in the world. Top scientists, engineers, and students collaborate on more than 800 concurrent projects worldwide—both above and below the waves—pushing the boundaries of knowledge and possibility. For more information, please visit www.whoi.edu

Key takeaways:

• By analyzing GPS tracks of wandering albatrosses, researchers have found that the birds’ airspeed increases with wind speed up to a maximum of 20 meters per second (45 miles per hour).
• Researchers developed a model of dynamic soaring, which predicts that the birds could fly much faster than 20 meters per second (m/s). However, researchers hypothesize that the birds limit their maximum across-wind airspeeds to about 20 m/s in higher wind speeds (and greater wind turbulence), probably to keep the aerodynamic force on their wings during dynamic soaring well below the mechanically-tolerable limits of wing strength.
• The paper concludes that the birds limit airspeed by adjusting the turns in their trajectories to be around 60° and that in low winds the birds exploit updrafts over waves to supplement dynamic soaring.
• Although a theoretical model predicted that the minimum wind speed necessary to support dynamic soaring is greater than 3 meters per second (m/s), GPS-tracked albatrosses were observed in flight at wind speeds as low as 2 m/s. Researchers hypothesize at these very low wind speeds, wandering albatrosses fly by obtaining additional energy from updrafts over water waves.
• The study points to ways in which theoretical models need to be refined to capture more faithfully the amazing complexity and beauty of albatross flight.

Animal encyclopedia

Exploring the magnificent wandering albatross.

September 4, 2023

John Brooks

September 4, 2023 / Reading time: 6 minutes

Sophie Hodgson

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The Wandering Albatross is a truly remarkable bird that captivates the imagination of wildlife enthusiasts and researchers alike. With its impressive wingspan and majestic flight, this magnificent creature has a unique story to tell. In this article, we will delve into the world of the Wandering Albatross, exploring its characteristics, habitat, life cycle, diet, threats, conservation efforts, and even its role in culture and literature.

Understanding the Wandering Albatross

The Wandering Albatross, a majestic seabird, is a fascinating creature that captures the imagination with its impressive size and unique characteristics . Let’s delve deeper into the defining features and habitat of this remarkable bird.

Defining Characteristics of the Wandering Albatross

With a wingspan of up to 11 feet, the Wandering Albatross boasts the largest wingspan of any bird in the world. This remarkable wingspan allows it to glide effortlessly over the vast open oceans it calls home. As it soars through the air, its wingspan creates a mesmerizing spectacle, showcasing the bird’s incredible adaptability to its environment.

The Wandering Albatross is easily recognizable by its distinctive white feathers , sleek body, and long, slender wings . These defining features not only contribute to its graceful appearance but also serve a purpose in its survival. The white feathers help camouflage the bird against the bright sunlight reflecting off the ocean’s surface, while the sleek body and long wings enable it to navigate the winds with precision.

The Albatross’s Unique Habitat

These graceful birds are found primarily in the southern oceans, particularly around the Antarctic region. The vast expanse of the Southern Ocean provides an ideal environment for the Wandering Albatross to thrive. With its ability to cover immense distances, the bird utilizes the strong winds to its advantage, effortlessly gliding across the ocean in search of food and suitable breeding grounds.

During their long journeys, Wandering Albatrosses traverse various oceanic regions, from the sub-Antarctic to as far as the coast of South America. Their nomadic lifestyle allows them to explore different ecosystems , adapting to the ever-changing conditions of the open ocean.

When on land, the Wandering Albatross prefers remote and isolated islands for nesting. These islands provide the perfect breeding environment, away from human disturbance and terrestrial predators. Here, amidst the rugged cliffs and pristine beaches, the albatrosses establish their colonies, creating a spectacle of life in the midst of the vast ocean.

These incredible birds are known to return to the same nesting sites year after year, demonstrating their strong site fidelity . The remote islands become their sanctuary, where they engage in courtship rituals, build nests, and raise their young. It is a testament to their resilience and adaptability that they have managed to maintain these nesting sites for generations, despite the challenges they face in the ever-changing world.

As we continue to explore and understand the Wandering Albatross, we uncover more about its remarkable adaptations, behaviors, and interactions with its environment. The more we learn, the more we appreciate the intricate web of life that exists in the vast oceans, where these magnificent birds reign supreme.

The Life Cycle of the Wandering Albatross

Breeding and nesting patterns.

The breeding season for the Wandering Albatross begins in the austral summer months, with courtship rituals that involve intricate displays of dance and vocalizations . These courtship displays are not only a way for the albatrosses to attract a mate but also a means of establishing dominance within their colony. The males showcase their impressive wingspan and perform elaborate dances, while the females respond with their own graceful movements.

Once a pair bonds, they establish a nest on the chosen island and begin the process of reproduction. The nests are carefully constructed using a combination of soil, grass, and other materials found on the island. The albatrosses take great care in selecting the perfect location for their nest, ensuring it is protected from the harsh elements and predators.

The female typically lays a single egg, which both parents take turns incubating. Incubation lasts for approximately 60 days, during which the parents rotate shifts to keep the egg warm and protected. This shared responsibility is a testament to the strong bonds formed between Wandering Albatross pairs. The parents take turns leaving the nest to search for food, returning to regurgitate the nutrient-rich meal for their growing chick.

During the incubation period, the albatrosses face numerous challenges. They must withstand strong winds, freezing temperatures, and potential threats from predators . Despite these difficulties, the dedicated parents remain vigilant, ensuring the survival of their offspring.

Growth and Development Stages

After hatching, the chicks are cared for and fed by both parents. The parents regurgitate a nutrient-rich oil that provides essential nourishment for the growing chick. This feeding process continues for several months until the chick becomes independent enough to forage on its own. The oil not only provides the necessary nutrients but also helps to strengthen the chick’s immune system, protecting it from potential diseases.

As the chick grows, it undergoes various developmental stages. Its downy feathers gradually give way to juvenile plumage, which is darker in coloration. The chick’s beak also undergoes changes, becoming stronger and more adapted to catching prey. During this time, the parents continue to provide guidance and protection, teaching the chick essential survival skills.

It takes years for a Wandering Albatross chick to reach maturity. During this time, they undergo a remarkable transformation, gradually developing their characteristic white plumage and mastering their flight skills. The albatrosses spend a significant portion of their juvenile years at sea, honing their flying abilities and exploring vast oceanic territories. It is during this period that they face various challenges, including encounters with other seabirds and potential threats from human activities.

It is this lengthy growth period that contributes to the vulnerability of this species and its slow population recovery. The Wandering Albatross faces numerous threats, including habitat loss, climate change, and accidental capture in fishing gear. Conservation efforts are crucial to ensure the survival of these magnificent birds and their unique life cycle.

The Wandering Albatross’s Diet and Hunting Techniques

Preferred prey and hunting grounds.

The Wandering Albatross is primarily a scavenger, feeding on a variety of marine organisms, including squid, fish, and crustaceans. They use their keen eyesight to spot potential prey items floating on the ocean surface, and once sighted, they plunge-dived from great heights to capture their meal. Additionally, these birds are known to scavenge carrion and exploit fishing vessels for an easy meal.

Adaptations for Hunting in the Open Ocean

Surviving in the harsh oceanic environment requires specialized adaptations, and the Wandering Albatross is well-equipped for the task. Its long wings enable it to glide effortlessly for long periods, conserving energy during hours of flight. The bird’s keen sense of smell allows it to locate food sources, even from great distances. These adaptations make the Wandering Albatross a formidable hunter and a vital component of the oceanic ecosystem.

Threats and Conservation Efforts

Human impact on the wandering albatross.

Despite their grace and beauty, Wandering Albatrosses face numerous threats that have contributed to their decline. One of the main challenges is the destructive impact of longline fishing operations, where the birds mistakenly become hooked or tangled in the fishing gear. Additionally, pollution, habitat degradation, and climate change further jeopardize the survival of these birds.

Current Conservation Strategies and Their Effectiveness

To safeguard the future of the Wandering Albatross, concerted conservation efforts are underway. Several measures have been implemented, including the establishment of protected areas and marine reserves, the development of guidelines for responsible fishing practices, and public awareness campaigns to promote the importance of nurturing this iconic species. While progress has been made, continued efforts are required to ensure the recovery and long-term survival of the Wandering Albatross.

The Role of the Wandering Albatross in Culture and Literature

Symbolism and significance in various cultures.

Throughout history, the Wandering Albatross has held deep cultural significance in many communities. In some cultures, these birds are considered symbols of loyalty, freedom, and endurance. They are often associated with seafaring traditions and are believed to bring good fortune to sailors.

The Albatross in Classic and Contemporary Literature

The haunting imagery of the Wandering Albatross has inspired numerous works of literature. Perhaps the most famous reference is found in Samuel Taylor Coleridge’s poem, “The Rime of the Ancient Mariner,” where an albatross is depicted as a harbinger of both good and ill fortune. Furthermore, many modern authors have woven the essence of the Wandering Albatross into their stories, capturing its mystique and its role as a symbol of the natural world.

In conclusion, the Wandering Albatross is a remarkable bird with a captivating presence. From its unique characteristics to its adaptations for survival in the open ocean , this magnificent creature enthralls all who encounter it. However, its existence is threatened by human activities and environmental changes. Through ongoing conservation efforts and a deeper appreciation of its cultural significance, we can work towards ensuring a future where the Wandering Albatross continues to grace the skies above the vast southern oceans.

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November 30, 2022

New research unlocks clues about the iconic flight of the wandering albatross

by Woods Hole Oceanographic Institution

Wandering albatrosses, which are an iconic sight in the Southern Ocean, are highly adapted to long-distance soaring flight. Their wingspan of up to 11 feet is the largest known of any living bird, and yet wandering albatrosses fly while hardly flapping their wings. Instead, they depend on dynamic soaring—which exploits wind shear near the ocean surface to gain energy—in addition to updrafts and turbulence.

Now researchers, including Philip Richardson, a senior scientist emeritus in Physical Oceanography Department at the Woods Hole Oceanographic Institution (WHOI), are unlocking more clues about exactly how wandering albatrosses are such amazing flyers.

In a new paper analyzing GPS tracks of wandering albatrosses, researchers have found that the birds' airspeed increases with wind speed up to a maximum airspeed of 20 meters per second (m/s; 45 mph). Researchers developed a model of dynamic soaring, which predicts that the birds could fly much faster than 20 m/s. The paper concludes that the birds limit their airspeed by adjusting the turns in their trajectories to be around 60°, and that in low winds the birds exploit updrafts over waves to supplement dynamic soaring.

"We hypothesize that wandering albatrosses limit their maximum across-wind airspeeds to ~ 20 m/s in higher wind speeds (and greater wind turbulence), probably to keep the aerodynamic force on their wings during dynamic soaring well below the mechanically-tolerable limits of wing strength," according to the paper, "Observations and Models of Across-wind Flight Speed of the Wandering Albatross," published in the journal Royal Society Open Science .

The paper adds that, given the complex field of wind waves and swell waves often present in the Southern Ocean, "it is also possible that birds find it increasingly difficult to coordinate dynamic soaring maneuvers at faster speeds."

Regarding low flight speeds by albatrosses, the paper notes that a theoretical model predicted that the minimum wind speed necessary to support dynamic soaring is greater than 3 m/s. "Despite this, tracked albatrosses were observed in flight at wind speeds as low as 2 m/s. We hypothesize at these very low wind speeds, wandering albatrosses fly by obtaining additional energy from updrafts over water waves," according to the paper.

"We tried to figure out how these birds are using the winds to go long distances—without overstressing their wings—for foraging for food and returning to feed their chicks. To do that, we modeled dynamic soaring and what different turn angles would do to stress on the birds' wings and speed over the water," said journal paper co-author Richardson. A dynamic soaring trajectory is an s-shaped maneuver consisting of a series of connected turns, he noted.

"This research is a step in the direction of understanding how wandering albatrosses are able to do these foraging trips and maintain a fairly large population. These birds figured out an amazing way to use the wind to almost effortlessly soar for thousands of miles over the ocean. We wanted to find out exactly how they did it," he said.

In addition to learning more about albatrosses, the study could have broader implications for helping researchers better understand how to use dynamic soaring to power potential albatross-type gliders to observe ocean conditions, Richardson added.

For the study, researchers used GPS to track 46 wandering albatrosses during foraging trips the birds made between February to September 2004. The birds were breeding on Bird Island, which is off the northwest tip of South Georgia in the Southern Atlantic Ocean. Wandering albatrosses lack sufficient musculature to sustain continuous flapping flight for long periods of time; however they have a shoulder lock that mechanically holds their wings outstretched so that little energy is expended while soaring, according to the paper.

Since the earliest days of scientific inquiry, the way that many birds are able soar—that is, fly without flapping their wings—has fascinated and perplexed observers, said paper co-author Ewan D. Wakefield, affiliate researcher at the University of Glasgow and postdoctoral research associate at the University of Durham, UK.

Wandering albatrosses are particularly remarkable for their ability to soar over the surface of the sea for long periods, covering vast distances, Wakefield said. He added that the physical principles explaining dynamic soaring flight were established over a century ago: Basically, albatrosses swoop up and down between layers of fast and slow moving air near the surface of the sea, gaining airspeed each time they do so.

"However, as our study shows, real-world albatross flight differs considerably from the predictions of simple physical models," Wakefield said.

"On the one hand, our GPS-tracking data show that they can and do fly in lighter winds than dynamic soaring models say should be possible. We suspect that this is because they can also fly by surfing updrafts created by the large waves that constantly surge around their Southern Ocean home. On the other hand, the upper limit of albatrosses' airspeed that we measured is much slower than physics predicts."

"We think that this is because albatrosses need to keep the forces on their wings within tolerable limits. After all, they're made from bone and muscle, not aluminum and titanium. Our study therefore points to ways in which theoretical models need to be refined to capture more faithfully the amazing complexity and beauty of albatross flight."

Richardson recalled being entranced by wandering albatrosses ever since he observed them during a 1997 oceanographic cruise in the South Atlantic Ocean. "We were steaming upwind at 15 knots, pounding into waves, and these albatrosses caught up to us from astern and were cruising around and having a grand old time," Richardson said. "I sat there for hours watching these birds in amazement, and wondering how they could fly like that. Now we are learning more about how they do it."

Journal information: Royal Society Open Science

Provided by Woods Hole Oceanographic Institution

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Climate Change Helps Wandering Albatrosses Fly Faster

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Albatrosses: Facts about the biggest flying birds

The biggest flying bird in the world can go for years without touching land, has complicated, comical mating dances that take years to learn, and might even help scientists track down illegal fishing vessels.

Albatrosses are big, majestic birds that can be found soaring above most of the world’s oceans.

These frequent fliers are known for spending months in the air without touching down, as well as having some unique mating arrangements. However, thanks to harmful fishing techniques and predation by invasive species, albatrosses around the world are either under threat or endangered.

There are 23 species of albatrosses, though arguably the most famous is the wandering albatross ( Diomedea exulans ), which is the largest flying bird in the world. This bird has a 11-foot (3.4 meter) wingspan, according to the Encyclopedia Britannica — even bigger than the famous California condor — and it uses those massive flappers to travel thousands of miles in a single journey.

Related:   Your dumb party balloons are killing all the seabirds

A life in the air

But rather than flapping its wings, wandering albatrosses (and many other large albatrosses) travel such far distances by holding their extended wings in place so that the air rushing around the wings generates lift, similar to an airplane's wings. An airplane forces air over its wings with an engine, whereas albatross take advantage of the extremely windy latitudes in the southern oceans. 

This latitude range is "called the 'roaring 40s' and 'furious 50s' for a reason," said Andrea Angel, the Albatross Task Force manager with Birdlife South Africa, a nonprofit organization dedicated to bird conservation. With near constant wind in their environment, albatrosses are able to "lock their elbow joints and literally just fix their wings [in place] and just glide," Angel said. The birds also use something called "dynamic soaring," which involves changing the angle of their wings relative to the wind, to maximize the lift generated — a similar technique could help unmanned research aircraft stay aloft for months, the Independent reported .

Related: A hot blob in the Pacific Ocean caused 1 million seabirds to die

An albatross can go a year or more without setting foot on land, Angel said, although the birds do touch down in water in order to feed on the squid and fish that make up their diet. In fact, it's the tiny alpine swift, not the albatross, that holds the record for non-stop distance flying, as reported in a 2013 study published in the journal Nature Communications . 

As for sleep, Angel said that it's very likely that albatrosses sleep on the wing. A 2016 study published in Nature Communications described how a distant cousin of the albatross, the frigatebird, has many, seconds-long periods of sleep while flying, suggesting that sleeping in the air is definitely possible for other long-distance traveling seabirds. And, based on microchip-tracked movements of albatrosses, "they can [fly] for hours on end, and so it is theorized that they do sleep on the wing," Angel said. "It's an accepted fact [that] because of their movements, they have to sleep."

All albatrosses are very long-lived. The oldest wild bird in the world is a Laysan albatross ( Phoebastria immutabilis ) named Wisdom, who was tagged in 1956 at the Laysan albatross colony at Midway Atoll in the North Pacific Ocean when she was already a mature adult. That makes her at least 66 years old, but she's likely older, and she's still going strong — as of 2018 she was still raising chicks, NPR reported . According to Breck Tyler, a lecturer at the University of California, Santa Cruz and retired research scientist who studied the Laysan albatross colony on Midway Atoll for decades, there are other Laysan albatrosses just a few years younger than Wisdom, so "she's probably not an outlier."

Related: World's oldest wild breeding bird is expecting her 41st chick

Although they're seabirds, albatrosses are generally poor divers, with few exceptions. The wandering albatross can only dive about 2 to 3 feet (0.6 to 1 m) into the ocean, yet based on an analysis of its diet, scientists are pretty sure the wandering albatross eats squid that live deeper in the water, and are too big for an albatross to convincingly take down. It's possible the large bird just waits until a squid swims up to the surface, but a more convincing hypothesis is that the birds are actually eating squid bits that have been vomited up by whales, as described in a 1994 study published in the journal Antarctic Science . 

After a meal of whale upchuck, an albatross might wash that down with some refreshing seawater. All seabirds have a gland above their eyes that functions like a miniature kidney, allowing them to drink salt water and excrete it through the tip of their beak, according to the Travis Audubon Society .

Albatrosses mate for life, but aren't exclusive

Because albatrosses mate for life, picking the right partner is a major decision. All species of albatross have some sort of complicated mating dance. For the Laysan albatross, the dance has 24 separate, complex steps, and it takes years for males to learn them all, Tyler said. And until the young males can master the choreography, they won't find a mate, he said. The females can afford to be picky, so if a male's sequence of honks, whistles, wiggles and neck thrusts doesn't impress her, she'll just move on to the next suitor. 

But once a pair does form, the "divorce rate" of albatrosses is among the lowest in the animal kingdom, and because albatrosses are so long-lived, these pairs can persist for decades. For this reason, it's been posited that albatrosses are the "most romantic" bird. But that human characterization ignores some key facts about albatrosses, Tyler said.

An albatross mating pair only sees each other a few days a year, when they meet at their breeding grounds. After a few days of catching up, the pair takes turns incubating the egg; one stays behind while the other forages for food. After about 90 days, and when the chick is big enough, the mating pair go their separate ways for the rest of the year, according to the Cornell Lab’s All About Birds .

Related: Adorable photos of baby shorebirds

Although they mate for life, albatross pairs aren't exclusive. Casual sex between non-paired birds, and even forced copulation, is not uncommon, the New York Times reported in 2010 . A 2006 study published in the journal IBIS found that out of 75 wandering albatross couples, about eight had chicks that weren't fathered by their mother's primary mate.

And in many albatross species, female-female pairs are quite common (so far, male-male pairs haven't been reported), as Live Science has previously reported . Those females rely on "cheating" paired males or unpaired males to fertilize their eggs, and then the two females raise a clutch of two eggs together, without a male's involvement, the Times reported. Laysan albatross males and females look virtually identical, so unless you were specifically looking for evidence of same-sex pairs, you'd likely miss them, the Times said — and it's likely that many other species of birds, especially if there aren't enough males to go around, form similar pair bonds, Tyler said.

Threats to albatrosses

All but one species of albatross are either threatened, endangered or likely to become so, according to the International Union for the Conservation of Nature . The biggest threats are invasive species at the birds' nesting grounds, and fishing vessels, which unintentionally snare birds when they're pursuing tuna and other commercial fish, Angel said.

Many of the world's albatrosses nest on islands that were once used as whaling vessel stopovers, Angel explained. With the human ships came cats and rats and mice. Gough Island in the South Atlantic, for example, is one of the most important seabird colonies, home to 24 different species of birds and multiple types of albatross. But the colony is gruesomely preyed upon by invasive mice that have evolved to be a much larger than normal size without the presence of predators, Hakai magazine reported . 

Perhaps because they have no other predators that would attack them this way, Albatross have not evolved a way to defend themselves against a mouse attack, and so some of the adults sit motionless, letting "the mice nibble on their flesh while they steadfastly incubate their egg." On a number of important bird islands, conservationists are launching aggressive mouse-eradication programs to attempt to save the remaining birds, National Geographic reported .

Related: In photos: Mice brutally attack and devour albatross on Gough Island

At sea, albatrosses face a different threat: fishing vessels. Albatrosses are pretty good at detecting fishing vessels — so good that researchers think the birds, outfitted with tiny radar detectors, could be used to find boats operating illegally, The New York Times reported. 

Large fishing vessels have onboard processing facilities where fish heads and tails and guts are removed and dumped back into the sea, which attracts all sorts of seabirds. "It is a seabird spectacle," Angel said. But as the trawler is dumping fish guts, it's simultaneously dropping the giant fishing net back into the ocean for the next catch. Seabirds, including albatrosses, get entangled in the net cables and dragged under water, then drown. And longline fishing boats, in which a 30-mile-long (48 kilometer) floating fishing line is set with hundreds of baited hooks, also attract seabirds which see the enticing meal from the surface, but get caught on the hooks and drown. 

BirdLife South Africa has reduced albatross deaths in the local trawl fishery by 99% by simply encouraging boats to use bird-scaring streamers and shifting the time that the boats dump out the fish waste to after the net is set. But worldwide there's still much more work to be done when it comes to encouraging commercial fishers to practice more seabird-friendly fishing techniques.

Additional resources:

• Learn more about the relationship between birds and humans on Midway Atoll with this feature from American Bird Conservancy
• Watch a Laysan albatross perform its complicated (and comical) mating dance .
• View not-quite-live-cam shots of albatrosses on Bird Island near the Antarctic Circle on BirdLife International’s Facebook page .

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Rachel is a writer and editor based in Washington, D.C., who covers a range of topics for Live Science, from animals and global warming to technology and human behavior. Rachel also contributes to National Geographic News, Smithsonian Magazine and Scientific American, and she is currently a senior editor at Next City, a national urban affairs magazine. She has an English degree with a journalism concentration from Adelphi University in New York.

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The Endangered Albatross

Human and natural behaviors are jeopardizing this seabird.

This video was filmed on September 13, 2011 as part of the National Geographic Live! Lecture series at National Geographic Society headquarters in Washington, D.C.

Introduction

Photographer Frans Lanting documents the plight of the albatross , one of the largest flying birds on Earth. Lanting has been hailed as one of the great nature photographers of our time. For more than two decades he has documented wildlife and the human relationship with nature in environments from the Amazon to Antarctica.

• About the albatross (start-1:39 min.)
• A vulnerable bird (1:40-2:04 min.)
• Threats to albatross : commercial fishing (2:05-2:45 min.)
• Learning to fly in the northwest Hawaiian Islands (2:46-3:51 min.)
• Studying albatross behavior (3:52-4:31 min.)
• Hope for the future (4:32-5:23 min.)

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• Published: 09 February 2018

POPULATION DYNAMICS

Amassed threats to albatross species

• Ramūnas Žydelis 1  

Nature Sustainability volume  1 ,  pages 81–82 ( 2018 ) Cite this article

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Albatross populations of South Georgia have been declining over the past four decades. Bird mortality in fishing gear and increased environmental variability due to climate change prevent albatrosses from recovering and mean that conservation action is needed.

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The Wandering Albatross and Global Warming

The giant oceanic birds are producing more and plumper chicks, at least for now

Weather changes not just from season to season, but also from year to year. Where I live in Minnesota, we had only a few days of frost before the year’s end, and January, normally the coldest month of the year, was relatively balmy. But in another year we might have days on end of sub-zero weather during the winter. It is hard for a person to detect climate change at this scale, even though global temperature measurements clearly show that the planet has warmed.

But every now and then something comes along that demonstrates a longer term trend that we can see and measure more directly. For instance, the USDA recently released a new version of its “ Plant Hardiness Zone Map .” If you are a gardener in the United States, you probably already know about this map; its zones are used to determine what kinds of plants can be grown outdoors in your area, the estimated dates of the last killing frost in the spring and the first killing frost in the fall. This is at least the second time in my memory that this map has been redrawn with all the zones moved to the north, reflecting a warming planet in a way that every gardener can observe and understand.

Not all global climate changes are simple warming, however. Global warming causes changes in ocean and atmospheric circulation as well. Westerly winds in the southern Pacific Ocean have shifted south towards the pole and have become more intense. A recent study in Science shows that the foraging patterns of breeding Wandering Albatross ( Diomedea exulans ) on the Crozet Islands has been changed by global warming in a way that seems to benefit them now, but that will likely harm them in the future.

Albatross are members of the bird order Procellariiformes, also known as the “tubenoses” because of the tube-like “nostrils” on their beaks. There are about 170 species of this kind of bird, including the petrels, shearwaters, storm petrels, diving petrels, and albatrosses. It is commonly said that the ocean is the last great frontier on earth, and this is probably true. It should not come as a surprise, then, that the Procellariiformes are among the “last great frontiers” of birding and bird research. Since the tubenoses spend almost all of their time at sea, they are hard to study. They come to land only to breed, and even then, usually on remote islands. They are so committed to being in the air over the ocean or floating on the surface of the sea that most members of this order are unable to walk at all. One group of tubenoses has the capacity to shoot a stream of noxious liquid (from its gut) at potential predators, which is an interesting adaptation to being unable to stand up and peck at intruders attempting to eat one’s egg or chick. (See this post for more information on tubenoses and a review of an excellent recent book on the tubenoses of North America.)

For all these reasons, foraging during nesting is a stress point in the life history of albatross. The birds forage by soaring around over the ocean, using wind as their main form of propulsion, literally sniffing out food sources (they have excellent smelling abilities). Therefore, the pattern of oceanic winds should matter a lot to their survival, especially during breeding season.

Which brings us back to changes in wind patterns due to global warming. The study by Henri Weimerskirch, Maite Louzao, Sophie de Grissac and Karine Delord is destined to become a classic because it touches on a sequence of logically connected observations to tell a compelling story. For my part, I’m going to use this in a classroom to demonstrate interesting science at my next opportunity. Let’s go over it step by step.

Albatross breeding is clearly difficult, and failure is likely common. One indicator of this is the fact that wandering albatross lay only one egg per season. Most coastal and terrestrial birds lay more than one, and in many species the number they lay varies from year to year depending on conditions. If wandering albatross lay only one egg, ever, there is a sort of underlying biological expectation of a low success rate.

For most birds, size matters. Within the normal range for a species, individual birds grow larger when conditions are good, and those birds do better in periods of difficulty because a large body stores more reserves and provides for more effective competition with other birds. A bird can grow large and bring lots of food back to the nest only if foraging is good, and the amount of food a bird obtains in a day is a combination of time (how long one forages) and the amount of food available in the environment.

The amount of food an albatross can obtain depends in part on the total area of the ocean that is searched each day, which in turn depends on how fast the bird flies. Since the albatross soars on the wind most of the time, this means that everything depends on factors such as the speed and direction of the wind. The study we are looking at today combines all of these things in an elegant exposé of the link between climate and the difficult job of producing baby albatrosses.

The wandering albatross travel enormous distances from their breeding grounds, often going more than 1,000 miles before returning to the nest to relieve their mate from guard duty. Males forage more widely and more to the south than females, who prefer northern waters. During this time, the birds use the wind as their primary form of locomotion. The researchers have shown that the winds in this region have increased in strength by a measurable amount, owing to shifts related to global warming. The average wind speed has gone up by about 10 percent from the 1990s to the present day. This allows the birds to move from foraging area to foraging area more swiftly than otherwise possible.

The total amount of time it takes both male and female albatross to complete a full journey of a given distance has decreased by between 20 percent and 40 percent from the 1990s to the present, and the speed at which the birds are observed to fly has gone up about the same for females, though the observed speed increase for males is not statistically significant. This is direct evidence that the amount of time spent foraging is less under present conditions than it was in the recent past, and it can be inferred that this is caused by the correlated increases in wind speed.

During the same period of time, the birds have gotten bigger. In 1990 the average female was about 7,500 grams and by 2010 females were about 8,500 grams. Males increased by about the same percentage, going from the mid-9,000 range to about 10,500 grams. These differences in mass are not reflected in the overall dimensions of the bird, just their weight. This indicates that during periods when the birds are on average smaller, many are underfed.

Breeding success for albatross varies considerably. The chance of successfully launching a baby albatross from the nest for the 350 pairs studied ranges from about 50 percent to just over 80 percent depending on the year (I’m leaving out one really bad year when the success rate was only 25 percent). During the past 40 years, over which it is thought the wind patterns have changed as described above, the “moving average” of breeding success (taking a few years together into account to dampen natural variation) has changed from about 65 percent to about 75 percent. These birds indeed seem to be benefiting from changes in wind pattern caused by global warming.

Most changes in weather, patterns of wind and rain and other effects of global warming are negative, as any review of the literature on this topic over the past decade will show. The benefits being experienced by these birds is unusual. But it may also be temporary. The researchers who produced this result say that the shift of winds towards the poles that brought higher energy patterns to these islands is likely to continue. As wind speeds increase, the benefit the birds will receive will at first level off then start to decrease, as overly windy conditions are bad for the albatross. The shift of westerly winds to the south of the islands will probably decrease the viability of foraging over the next few decades because it will make it easier for the birds to get to places with lower quality forage and thus decrease the rate of obtaining food. So, if the current changes in wind patterns are a gravy train for the Crozet Island wandering albatross, the train may eventually leave the station without them.

Weimerskirch, H., Louzao, M., de Grissac, S., & Delord, K. (2012). Changes in Wind Pattern Alter Albatross Distribution and Life-History Traits Science, 335 (6065), 211-214 DOI: 10.1126/science.1210270

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Greg Laden is a freelance science writer.

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2023 eBird Annual Taxonomy Update - Australia

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The annual eBird taxonomy update IS NOW UNDERWAY . Work will still go on in the background for the next few weeks to update existing checklists, update maps etc., but the revised taxonomy should start to appear as you enter new checklists. It is worth having a look at some of the Australian species that are being split with the latest 2023 update.

Lesser Sand-Plover ( Charadrius mongolus ) is split into:

• Siberian Sand-Plover ( Anarhynchus mongolus )
• Tibetan Sand-Plover ( Anarhynchus atrifrons )

Siberian Sand-Plover is the expected former subspecies that migrates to Australia.

Tibetan Sand-Plover  is a possible vagrant to northwest Australia.

The bigger bird in the back and on the left is an Australian Tern, the smaller bird in the front and on the right is a Gull-billed Tern.

Gull-billed Tern ( Gelochelidon nilotica ) is split into:

• Gull-billed Tern ( Gelochelidon nilotica )
• Australian Tern ( Gelochelidon macrotarsa )

Australian Tern is a resident species in Australia.

Royal Albatross ( Diomedea epomophora ) is split into:

• Northern Royal Albatross ( Diomedea sanfordi )
• Southern Royal Albatross ( Diomedea epomophora )

Both species are regularly observed in Australian waters, being most frequently seen off the south-east coast from Sydney to Port Macdonnell, with occasional sightings further north along the east coast and further west as far as south-west Western Australia.

Distinguishing between the two taxa can be challenging at times, but subtle differences in wing plumage allow for the confident identification of most birds with good enough views.

Wandering Albatross ( Diomedea exulans ) is split into:

• Snowy Albatross ( Diomedea exulans ) (formerly “Wandering Albatross (Snowy)”)
• Tristan Albatross ( Diomedea dabbenena ) (formerly “Wandering Albatross (Tristan)”)
• Antipodean Albatross ( Diomedea antipodensis ) (formerly “Wandering Albatross (New Zealand)” and “Wandering Albatross (Gibson’s)”)
• Amsterdam Albatross ( Diomedea amsterdamensis ) (formerly “Wandering Albatross (Amsterdam)”)

Snowy Albatross and Antipodean Albatross are both regularly observed in southern Australian waters from south-east Queensland to Perth, whereas Tristan Albatross and Amsterdam Albatross are very rare vagrants to the region, with fewer than five records of each.

Distinguishing between the taxa is challenging and identification typically requires determination of a bird’s sex and age class before it can confidently be assigned to species level.

This bird is an Indian Yellow-nosed Albatross, the Atlantic Yellow-nosed Albatross is rarely seen offshore of Australia.

Yellow-nosed Albatross ( Thalassarche chlororhynchos ) is split into:

• Atlantic Yellow-nosed Albatross ( Thalassarche chlororhynchos )
• Indian Yellow-nosed Albatross ( Thalassarche carteri )

Atlantic Yellow-nosed Albatross is a rare vagrant to Australian waters, having been recorded about ten times off the southern coast of Australia from New South Wales to Western Australia.

Indian Yellow-nosed Albatross is much more common in Australian waters and can regularly be seen offshore from south-east Queensland to Perth during the cooler months of the year.

The two species can be distinguished from each other by the brightness of the plumage on their head ( Atlantic Yellow-nosed Albatross tend to have an ashy wash, whereas Indian Yellow-nosed Albatross are much paler white) and the thickness of the yellow stripe down their bill (the “nose” – narrower in Indian Yellow-nosed Albatross than Atlantic Yellow-nosed Albatross ).

Cattle Egret ( Bubulcus ibis ) is split into:

• Western Cattle Egret ( Bubulcus ibis )
• Eastern Cattle Egret ( Bubulcus coromandus )

Western Cattle Egret is expected from Europe, Africa, Middle East, Americas (also Hawaii).

Eastern Cattle Egret is expected east from the Indian subcontinent, across S and E Asia, Australia and New Zealand.

Intermediate Egret ( Ardea intermedia ) is split into:

• Yellow-billed Egret ( Ardea brachyrhyncha )
• Medium Egret ( Ardea intermedia )
• Plumed Egret ( Ardea plumifera )

Plumed Egret  is the expected former subspecies in Australia. Watch out for possible rare vagrant  Medium Egret  from Indonesia (with dark tip to beak, and a black beak in breeding plumage) which has been recorded in WA and Indian Ocean islands.  Yellow-billed Egret  is found in Africa and is not expected in Australia.

Eclectus Parrot ( Eclectus roratus ) is split into four species:

• Papuan Eclectus ( Eclectus polychloros ) is the new name you need for the former subspecies that is found in Australia.

Papuan Pitta ( Erythropitta macklotii ) is split into two species:

• South Papuan Pitta ( Erythropitta macklotii ) is the new name you need for the former subspecies that migrates between southern New Guinea and Cape York.

Arafura Fantail ( Rhipidura dryas ) is split into:

• Supertramp Fantail ( Rhipidura semicollaris )
• Arafura Fantail ( Rhipidura dryas )

Arafura Fantail  is still the name you need for the former subspecies that is found across Australia (and becomes an Australian endemic).

Supertramp Fantail  has been recorded on Ashmore Reef a few times.

Rufous Fantail ( Rhipidura rufifrons ) is split into many species:

• Australian Rufous Fantail ( Rhipidura rufifrons ) is the new name you need for the former subspecies that is found in Australia (and becomes an Australian endemic species).

Olive-backed Sunbird ( Cinnyris jugularis ) is split into eight species:

• Sahul Sunbird ( Cinnyris frenatus ) is the new name you need for the former subspecies that is found in Australia.

COMMON NAME CHANGE

Lemon-bellied Flycatcher becomes Lemon-bellied Flyrobin

Missouri Highway Patrol issues silver alert for missing older woman

BLUE SPRINGS, Mo. (KCTV) - The Blue Springs Police Department and Missouri Highway Patrol (MHP) have issued an endangered silver advisory for a missing 60-year-old woman.

According to the MHP, Lawanda Murry, of Blue Springs, Mo, walked away from her residence and has not returned.

Murry has been diagnosed with diabetes and dementia and has a history of wandering. It is also reported that Murry is not familiar with the area.

Murry is described as a black woman, about five feet and six inches tall and about 190 pounds. Murry also has brown hair and brown eyes and was last seen wearing a sports bra and a multi-colored robe with flowers.

Anyone seeing the missing person, or have any information related to the endangered missing person should immediately dial 911 to contact the nearest law enforcement agency or call the Blue Springs Police Department at 816-228-0152.

Copyright 2024 KCTV. All rights reserved.

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A fox on stilts? Argentine long-legged maned wolf returned to the wild

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Argentine conservationists have returned a rare and unusual-looking animal, a maned wolf, to the wild around Buenos Aires, with its long black legs and red-fur making the creature look like a fox on stilts or perhaps wearing knee-high boots.

Albatross: Lifetime at Sea

When hearing the word  albatross , some might think of a really good round of golf (three under par). Like scoring an albatross in golf, sighting a long-lived master of flight in the Albatross family is a special treat. Chances are you haven’t seen one in person, but to put a name to this special type of seabird opens the door to their world.

Masters of Efficient Flight

There are 22 species of albatross that share the gift of efficient long-distance gliding flight. They are famously recognized by their lengthy wingspans with the Wandering Albatross holding the record at nearly 12 feet. These remarkable wingspans are vital for a lifetime at sea. With the help of air currents and temperature changes, these wings are able to provide enormous amounts of lift; albatross can spend hours in flight without rest or a single flap. Their flying abilities allow albatross to journey thousands of miles across open oceans.

Many people view their elders and put some thought into what those eyes have seen over a lifetime; what experiences that person has had, or wisdom and knowledge they’ve picked up through the years. These same thoughts could be applied when looking into the eyes of an albatross. Albatross can live decades and spend most of their long lives at sea. When an albatross encounters a fishing vessel or is counted on the breeding grounds, these birds may be decades older than the people studying these magnificent gliders. It could be safe to assume that an adult albatross knows their way around the seas better than the career fisherman or woman they are following.

Throughout history, humans have shared the seas with these seabirds. Many sailors recognize that albatross will follow their vessels, looking for an easy meal. Interactions, intentional or accidental, have resulted in the near-extinction of some species of albatross. Conservation efforts have been put in place by multi-nation partnerships, which have contributed to success in rising numbers of albatross seen in the Pacific Ocean.

Albatrosses in Alaska

Alaska is within the range of Short-tailed, Laysan and Black-footed Albatross which are commonly seen at-sea. These birds take to land to breed on ocean islands, including the world’s largest albatross colony on Midway Atoll National Wildlife Refuge .

Short-tailed Albatrosses

This endangered species breeds primarily on two remote islands in the western Pacific with the majority (~85%) breeding on Torishima, Japan (an active volcano in the Izu Island Group, northwest of Taiwan). From 2008 to 2012 the U.S. Fish and Wildlife Service and Japanese partners at the Yamashina Institute for Ornithology worked together to establish a third breeding colony by translocating chicks from Torishima to a historic breeding location on the island of Mukojima. Recently, short-tailed albatrosses have also successfully bred on Midway Atoll.

Short-tailed Albatrosses generally head toward their feeding grounds around April and May, but have been known to make the long journey into Alaskan waters just to feed and return to their nest. They have been seen feeding along shelf breaks in the Bering Sea and Gulf of Alaska, along the Aleutian Islands, and southeast Alaska. They also occur along the Pacific coasts of Canada and the United States including waters along Washington, Oregon, and California.

Short-tailed Albatross follow fishing vessels and are sometimes hooked or entangled in longline fishing gear and drowned. The U.S. Fish and Wildlife Service has been working with the commercial fishing industry, Washington Sea Grant, and National Marine Fisheries Service to minimize take of this endangered seabird. Through this collaborative conservation effort, a type of seabird avoidance technology called “streamerlines” was developed to reduce the bycatch of albatrosses.

Streamerlines create a visual barrier that keeps seabirds away from the baited hooks. In Alaska, streamerlines deployed on fishing vessels has led to a major reduction in the bycatch of albatrosses. Fishermen who have used streamerlines to ward off seabirds say there is also a financial benefit: the streamer lines keep seabirds from swiping their bait, saving them money in the long run.

From near extinction at the turn of the 20th century, to being listed as endangered throughout its range in 2000, the population of short-tailed albatross continues to grow with a current estimate of 7,365 individuals and a population growth rate of 8.9%. This is something to celebrate.

Black-footed Albatross

Unlike the Short-Tailed Albatross, the Black-footed Albatross is not currently listed as threatened or endangered under the Endangered Species Act (ESA). Black-Footed Albatross are only found in the Pacific Ocean with breeding populations located on the Hawaiian and Japanese islands. Breeding occurs from late fall to mid-summer and involves a colorful display of head bobs, wing flaps, and foot stomps. If you have not witnessed a Black-Footed Albatross mating dance, that should be your next internet search as it is a sight to see. Black-footed Albatross, like other albatross species, are thought to mate for life but will find a new mate if their partner disappears or passes away.

After breeding these seabirds can be seen in the North Pacific where they feed on fish, squid, and crustaceans. Like other albatross species, these birds can also be seen tailing ships for easy meals and have sometimes become victims to accidental entanglement into fishing equipment at sea. They too have benefited from Short-tailed Albatross conservation efforts via reduced accidental bycatch.

Laysan Albatross

One of the easier identifiable albatross seen in the seas surrounding Alaska is the Layson Albatross. These seabirds are generally smaller in size when compared to other albatross sharing its range, but is most noticeably different by its white belly and head that is often referred to as “gull-like”. Add in a gray-brown wings with white undersides and a dark tail and you’ve got yourself a Laysan Albatross.

Laysan Albatross are more commonly seen out at sea away from North American shores. 97.7% of the population call the northwestern Hawaiian Islands home during the breeding season (late fall to mid-summer) before moving north through the Pacific eventually making their way to Alaskan fishing regions. For those of you traveling through the southwest, don’t be too surprised to see one of these seabirds overhead, they’ve been known to wander inland during their migration north.

These seabird’s have a diet consisting of squid, fish, crustaceans and flying fish eggs. They primarily feed at night. In regards to fishing bycatch, this could be beneficial or negative depending on fishing operation times and the effectiveness and use of mitigating equipment such as streamers at night. Like other albatross, Laysan Albatross sometimes fall victim to fishing equipment such as baited lines and driftnets. They have also benefited from conservation efforts to reduce seabird bycatch during fishing operations. Fishing bycatch, however, is not the only issue that Laysans and other sea life must face, plastics and debris scattered through the world’s oceans are also part of this seabird’s diet, which in many cases can prove to be fatal.

A note on plastic pollution:  Be Part of the Solution

Like many birds, albatross can fall victim to plastic pollution that makes its way to sea. Because they feed along the surface on squid, krill, fish eggs and other items, albatrosses often accidentally swallow floating plastic. This becomes a problem when their stomach becomes impacted and full of plastic resulting in lack of nutrition from natural prey. On the breeding grounds, baby albatrosses suffer from a diet of this plastic trash brought in by their parents from the ocean. Parents feed their chicks by regurgitating what they’ve found out at sea. It’s estimated that adult albatrosses unwittingly bring back thousands of pounds of marine debris back to places like Midway atoll every year. Dead chicks that have starved due to plastic ingestion can be found on the breeding grounds and are testament to this global problem.One way you can make a small difference is picking up plastic trash before it makes its way into rivers and eventually to sea.

You can help albatross and all seabirds by recycling as much or your plastic as possible, saying ‘no’ to single use plastic, using a re-usable water bottle, bringing re-usable bags to the grocery store. We can all do our part to help make the oceans safe for all birds and ensure that the graceful flight of the albatross can be witnessed by generations to come.

In Alaska we are shared stewards of world renowned natural resources and our nation’s last true wild places. Our hope is that each generation has the opportunity to live with, live from, discover and enjoy the wildness of this awe-inspiring land and the people who love and depend on it. Compiled by Kristopher Pacheco, Alaska Digital Media Assistant for the U.S. Fish and Wildlife Service, with Katrina Liebich and staff from Migratory Birds Management and Ecological Services. For this article and others, follow us on Medium .

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