149. Aythya affinis 
LESSER SCAUP DUCK. 16 inches 
Similar to the preceding species, distinguished by its smaller size 
and purple instead of greenish reflections on the head. Called 
Little Bluebill. Found on the coast and on inland ponds and 
rivers. 
Breeds. North of New England. A common migrant in April, 
October and November. 
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