Northern pintail Anas acuta

Identification Tips:

Adult male alternate:

Adult male basic:

Adult female:

Similar species:

Adult male unmistakable in alternate plumage. Females, immature and eclipse-plumage males are similar to many other female ducks but have a distinctive shape: very long-necked, small-headed and pointed-tailed. Note also female's brown speculum bordered at the rear by white.

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