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Crested Auklet

From Opus

Photo by peterdaySt Paul, Pribilof Islands, Alaska, USA, July 2017
Photo by peterday
St Paul, Pribilof Islands, Alaska, USA, July 2017
Aethia cristatella


[edit] Identification

18–20 cm (7-7¾ in)

  • Dark brown- black
  • Breeding birds have a white plume beside the eye
  • Crest on top of head, above eye
  • Eye pale
  • Yellow-tipped reddish-orange bill
  • Short tail
  • Black, webbed feet
  • Sexes alike

Juvenile: dark overall plumage, lacks crest (or it is at least reduced), bill dark, eye not pale.

JuvenilePhoto by shishmarefbirderNorthern Seward Peninsula, Alaska, USA, September 2010
Photo by shishmarefbirder
Northern Seward Peninsula, Alaska, USA, September 2010

[edit] Distribution

Breeds western Alaska and eastern Siberia; winters south to Japan.

[edit] Taxonomy

This is a monotypic species[1].

[edit] Habitat

Open sea; breeds on remote islands among boulders and on scree slopes.

[edit] Behaviour

[edit] Diet

The diet includes plankton, fish and krill.

[edit] Breeding

Colonial nesters. A single egg is laid in the rocks and is incubated for 4 weeks. A month later, the young will fledge.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from
  2. Natureworks
  3. Wikipedia

[edit] External Links


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