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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

Contents

[edit] Identification

23cm

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

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

Juvenile. Photo by shishmarefbirderNorthern Seward Peninsula, Alaska, USA, September 2010
Juvenile. 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 beaches.

[edit] Behaviour

[edit] Diet

The diet includes plankton, fish and krill.

[edit] Breeding

It is a colony nester. 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, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Natureworks
  3. Wikipedia

[edit] External Links

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