Crested Auklet

Aethia cristatella

A quirky seabird of the North Pacific, the Crested Auklet sports a forward-curling crest of dark feathers and emits a citrus-like scent during breeding season that scientists believe functions in mate attraction. Colonies on Alaskan and Russian islands can number in the millions. Its tangerine-scented plumage is unique among birds.