The Crested Auklets (Aethia cristatella) are small seabird that nest in huge colonies (>1 million individuals) in the Bering Sea and Sea of Okhotsk in the western Pacific Ocean.
They often breed in mixed-species colonies with Least Auklets.
The Crested Auklet has a distinctive 'crest', a group of bristle feathers located above the eyes on the top of its head. There are white plumes from their eyes to the ears.
These birds measure about 18 - 27 cm (7.1 - 11 in) in length and weigh between 195 - 330 g (6.9 - 12 inches).
The plumage is mostly dark sooty grey.
The legs and feet are grey, and the claws black. The bill is reddish-orange and yellow tipped. The eyes (irises) are yellowish white.
Females have slightly smaller and less curved bills, and slightly smaller crests.
Diet / Feeding
Crested Auklets mostly feed on krill, but they are also known to eat copepods, pteropods (such as Limacina), amphipods and larval fishes.
Species Research by Sibylle Johnson
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