119. Phalacrocorax carbo 
COMMON CORMORANT. 36 inches 
Plumage similar to the Double-crested, distinguished from it by 
its larger size and white throat. A rare visitor in fall and winter 
along the coast, a few winter on Cormorant Rock, R. I. 
120. Phalacrocorax dilophus 
DOUBLE-CRESTED CORMORANT. 30 inches 
In spring, entire plumage black; a tuft of hairy feathers on each 
side of the head; bare skin of the throat yellow; bill long and 
hooked. In late summer and fall it lacks the tufts of feathers on 
the head. 
A common migrant along the coast in spring and fall. Much 
commoner than the preceding. 
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