135. Anas obscura 
BLACK DUCK. 22 inches 
Adult. Whole plumage dark brown, with fine yellowish mark- 
ings, neck and breast much lighter colored, throat yellowish ; specu- 
lum purple, edged with black ; wings lined with gray ; bill green- 
ish ; feet reddish. 
Nest. On the ground, near water, in a swamp or bog. 
Breeds. Throughout New England; a common migrant in 
March, April and August to December ; they remain all winter on 
the coast and where there is open water. 
133a. Anas obscura rubripes 
RED-LEGGED BLACK DUCK. 25 inches 
Distinguished by its larger size, yellow bill, and bright red legs. 
A migrant and winter visitor. 
Breeds. North of New England. 
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