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Wandering Albatross - BirdForum Opus

Diomedea exulans
Adult Antipodean Albatross (D. (e.) antipodensis). Note pink neck stain.
Photo © by martinuk. Kaikoura, New Zealand. 10 January 2010
Subadult Antipodean Albatross (D. (e.) antipodensis).
Photo © by Ornitho26 at Kaikoura, New Zealand.

Identification

An enormous (107-135cm) seabird with a huge (330cm) wingspan and majestic flight. This is the largest albatross. Plumage varies greatly according to age and can be very difficult to distinguish from Royal Albatross D. epomophora.

Adult: Plumage entirely white except for black primaries and narrow black tips to secondaries although head may be stained pinkish when breeding. Bill fleshy-pink or whitish with horn-coloured nail, legs pinkish to bluish-white.
Female: of the race antipodensis and both sexes of amsterdamensis are considerably darker, and resemble juveniles of the other races.

Immature: Juvenile largely chocolate brown except for white face, underwing white with narrow dark trailing edge and small black tip. Underwing pattern stays much the same but as the bird ages the brown on head and body is gradually replaced with white resulting in a mainly white bird with dark upperwings. These gradually whiten from a white central wedge rather than from the leading edge backwards as in Royal Albatross. Many otherwise adult birds retain dark feathers at the sides of the tail, a feature not shown by adult Royal. check upperwing pattern carefully to distinguish from Royal Albatross. At close range black cutting edges of bill indicate Royal.

Distribution

Circumpolar in Southern Oceans. Breeds on a wide range of islands (see Taxonomy). At sea mainly between Tropic of Capricorn and 60deg. S but sometimes occurs further north off South America and Africa. Recorded as a vagrant in Panama in 1937 and in California in 1967 but all northern records could involve ship-assisted birds. European reports such as Sicily in 1957 and Portugal in 1963 are generally regarded as suspect. Dispersive rather than migratory.

Type F Snowy Albatross (D. (e.) exulans)
Photo © by Björn Svensson. Drake's Passage South America, 27 February 2015.

Taxonomy

Five subspecies are recognised, but all varies considerably in size and undergoes a complex age-related sequence of plumages. Breeders on South Georgia, Prince Edward, Marion, Crozet, Kerguelen, Heard, McDonald and Macquire are the nominate race (exulans), breeders on Inaccessible and Gough Islands (formerly also Tristan da Cunha) are dabbenena, breeders on the Auckland group are gibsoni, breeders of Antipodes and Campbell are antipodensis, and breeders of Amsterdam Is. are amsterdamensis. All range widely at sea when not breeding. Formerly, race chionoptera was accepted, but today it is usually considered a junior synonym of the nominate.[1]

The five races of the Wandering Albatross are often recognized as five monotypic species instead:
Snowy Albatross (D. exulans)
Tristan Albatross (D. dabbenena)
Gibson's Albatross (D. gibsoni)
Antipodean Albatross (D. antipodensis)
Amsterdam Albatross (D. amsterdamensis).

Alternatively, only the Amsterdam Albatross is split off, but genetic evidence suggests this would result in the Wandering Albatross being polyphyletic.

Habitat

Gibson's Albatross
Photo © by binus1963
Kaikora, South Island, New Zealand, 2017

Breeds colonially on grassy clifftops and plateaux on islands but spends most of the year at sea. Frequently follows ships.

Behaviour

Diet

Squid and fish, sometimes refuse from ships.

Breeding

Begins in September, nest is a large bowl made of mud and vegetable matter. One egg laid in mid-November, white, sometimes speckled with red-brown (131 x 78mm). Incubated for 66-77 days and young fed daily by both parents for first 20 days. Feeding gradually takes place less often but with larger amounts of food per visit. Fledges in September and takes at least ten years to reach full adult plumage.

Voice

Generally silent though may utter harsh croaking and braying sounds when competing for food at sea. Claps bill in display.

Snowy Albatross (D. (e.) exulans) courtship
Photo © by Dave Clark Prion Island, South Georgia, 20 January 2012.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. BirdLife International. 2017. Diomedea exulans (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2017: e.T22698305A110676747. http://dx.doi.org/10.2305/IUCN.UK.2017-1.RLTS.T22698305A110676747.en. Downloaded on 06 June 2018.
  3. Carboneras, C., Jutglar, F., Kirwan, G.M. & Garcia, E.F.J. (2018). Wandering Albatross (Diomedea exulans). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/52498 on 6 June 2018).
  4. Shirihai, H. (2002) A Complete Guide to Antarctic Wildlife. The Birds and Marine Mammals of the Antarctic Continent and the Southern Ocean. Princeton University Press: Princeton & Oxford.


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