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Jennifer Rycenga   cc-by-nc-4.0

Ptychoramphus aleuticus (Cassin's Auklet) is a species of birds in the family auks. They are listed as of special concern by COSEWIC. They are found in The Nearctic. They are nocturnal. Reproduction is dioecious. They have parental care (pair provides care). They rely on flight to move around.

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EOL has data for 37 attributes, including:

Known occurrences, collected specimens and observations of Cassin's Auklet. View this species on GBIF