Crested Auklet illustration
Birdsong field guide

Crested Auklet

Aethia cristatella

A highly social, medium-sized seabird of the North Pacific distinguished by a prominent forward-curving forehead crest and a unique citrus-like plumage scent.

What it sounds like

A series of loud, trumpet-like honks and low-pitched, rhythmic barking sounds.

Reference call, compare with what you heard
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Rec. Ryan P. O'Donnell · United StatesCC BY-NC-NDXeno-canto

Field notes

  • Emit a potent tangerine-like aroma from their feathers used for individual recognition and social signaling.
  • Possess a distinctive forehead crest that functions as a status signal; larger crests are preferred by mates.
  • The bright orange-red bill is composed of specialized horny plates that are shed annually after the breeding season.
  • Engage in 'allopreening' behaviors where they rub their heads and necks against the scented plumage of colony mates.
  • Nest in massive, dense colonies on remote volcanic islands, with some populations exceeding 100,000 individuals.
Habitat
Coastal volcanic talus slopes and open subarctic marine waters.
Range
Bering Sea and North Pacific Ocean, primarily the Aleutian, Pribilof, and Kuril Islands.

Similar & commonly confused birds

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