Hooded merganser Lophodytes cucullatus

Identification Tips:

Adult male:

Adult female:

Similar species:

Adult male in alternate plumage is unmistakable. Female vaguely similar to other mergansers but much smaller with cold brown head, with reddish fan-like crest, and dark bill.

Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.