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Data for:
San Mateo, California, United States
List:

Charadriiformes > Alcidae

Cassin's Auklet

Ptychoramphus aleuticus

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Identification

POWERED BY MERLIN

Entirely gray seabird; small and chunky. Bill is stout and pointy with a slight upturn and a pale base. Eye is pale. Sexes are similar, juveniles are slightly paler than adults but with darker eye. Breeds in colonies on islands; otherwise found on the ocean, often in flocks.

POWERED BY MERLIN

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