Steller's eider Polysticta stelleri


Identification Tips:

Adult male alternate:

Adult female:

Similar species:

The adult male is not likely to be confused with any other duck. The very dark female is similar to other female eiders but note the smaller size, unfeathered bill, squarer head, and longer tail.

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