Northern Pintail Duck
Anas acuta
Description - The size and coloration of this
long-necked, slender duck vary between sexes. The larger
male Northern Pintail duck has a brown head, white neck
and underparts, a greyish back and sides and long, black,
pointed central tail feathers. The wings are a metallic
brown and green with white rear borders. The smaller female
has a brownish head, grey bill and a somewhat pointed
tail. The voice is a distinctive 2-tone whistle; the female
quacks.
Distribution - The Northern Pintail duck occurs
throughout all of North America, breeding north of their
local range and wintering south, sometimes as far as Central
America and the West Indies. They prefer marshes, prairie
ponds and tundra and may sometimes winter in salt marshes.
Biology - Awidespread and common duck, the Northern
Pintail duck flocks in large groups of up to a thousand.
Males are often aggressive, forcing their attention on
females of other species. It is a grazer.