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Difference between revisions of "Laysan Albatross" - BirdForum Opus

(flight photo, range)
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==Distribution==
 
==Distribution==
Breed in [[Hawaii]], islands off [[Mexico]] and the [[Bonin Islands]] in [[Japan]]. Is found at sea in most of the subtropical northern pacific ocean.  
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Breed in [[Hawaii]], islands off [[Mexico]] and the [[Bonin Islands]] in [[Japan]]. Is found at sea in most of the subtropical northern pacific ocean, ranging north to [[Alaska]].  
 +
[[Image:Laysan_Albatross_by_Glen_Tepke.jpg|thumb|350px|right|In flight. Notice pale rump in contrast to both back and tail<br />Photo by {{user|Glen+Tepke|Glen Tepke}}<br />Pacific west of Bodega Bay, [[California]], [[USA]], September 2007]]
 
==Taxonomy==
 
==Taxonomy==
 
This is a monotypic species.  
 
This is a monotypic species.  
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Genera ''Phoebastria'' and ''Thalassarche'' formerly placed in the ''Diomedea'', but now considered by virtually all authorities (Clements, Howard & Moore, AOU, BOU, SACC) to be separate genera in light of Nunn et al. (1996) and Penhallurick & Wink (2004).
 
Genera ''Phoebastria'' and ''Thalassarche'' formerly placed in the ''Diomedea'', but now considered by virtually all authorities (Clements, Howard & Moore, AOU, BOU, SACC) to be separate genera in light of Nunn et al. (1996) and Penhallurick & Wink (2004).
 
==Habitat==
 
==Habitat==
Islands or at sea.
+
Breeds on islands, spends the rest of its life at sea.
 
==Behaviour==
 
==Behaviour==
 
Breeding does not start until about 7-8 years old, but the birds continue with annual breeding and are capable of living for at least 40 years. Goes on very long forays to get food for its young, up to 2.5 days between feeding.  
 
Breeding does not start until about 7-8 years old, but the birds continue with annual breeding and are capable of living for at least 40 years. Goes on very long forays to get food for its young, up to 2.5 days between feeding.  

Revision as of 19:19, 4 October 2014

Phoebastria immutabilis
Photo by Doug Greenberg.

Identification

79-81 cm. Black back, wings and tail, remainder of plumage white. In flight, shows some dark areas on underwing, but variable in extent. Dark iris, pale pinkish to yellowish bill, pink legs.

Distribution

Breed in Hawaii, islands off Mexico and the Bonin Islands in Japan. Is found at sea in most of the subtropical northern pacific ocean, ranging north to Alaska.

In flight. Notice pale rump in contrast to both back and tail
Photo by Glen Tepke
Pacific west of Bodega Bay, California, USA, September 2007

Taxonomy

This is a monotypic species.

Diomedea vs. Phoebastria

Genera Phoebastria and Thalassarche formerly placed in the Diomedea, but now considered by virtually all authorities (Clements, Howard & Moore, AOU, BOU, SACC) to be separate genera in light of Nunn et al. (1996) and Penhallurick & Wink (2004).

Habitat

Breeds on islands, spends the rest of its life at sea.

Behaviour

Breeding does not start until about 7-8 years old, but the birds continue with annual breeding and are capable of living for at least 40 years. Goes on very long forays to get food for its young, up to 2.5 days between feeding.

References

  1. Clements, James F. 2007. The Clements Checklist of Birds of the World. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019
  2. NUNN, G. B., J. COOPER, P. JOUVENTIN, C. J. R. ROBERTSON, AND G. G. ROBERTSON. 1996. Evolutionary relationships among extant albatrosses (Procellariiformes: Diomedeidae) established from complete cytochrome-b gene sequences. Auk 113: 784-801.
  3. Penhallurick, John & Wink, Michael (2004): Analysis of the taxonomy and nomenclature of the Procellariformes based on complete nucleotide sequences of the mitochondrial cytochrome b gene. Emu 104(2): 125-147. doi:10.1071/MU01060 (HTML abstract)

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