breeding adult; white facial lines; orange bill (California, USA; 2009-03-08)
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Rhinoceros Auklet
Cerorhinca monocerata
Native Range: North America and Eurasia
Notes: a dark alcid that forages at sea but nests in burrows or rock crevices; gets its name from adult's whitish horn-like protuberance from the base of the upper bill during the breeding season.
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