218 DIVING DUCKS. 



upon shellfish, crustaceans, &c. Like marine Ducks 

 generally, the Scaup is an excellent swimmer and 

 diver, diving not only for safety when threatened by 

 danger, but also for its food, a large part of which 

 is found under water. Its flight is rapid, and is 

 achieved by violent wing-strokes, which produce a 

 whistling sound as the birds pass overhead. The 

 cry is extremely harsh, resembling the word 'Scaup.' 



TUFTED DUCK 17 inches. Though resembling the Scaup 

 in a general way, it has a crest, is uniformly black above 

 instead of gray, and occurs principally on inland waters. 



POCHARD. Plate 96. 19 inches. Head and neck 

 chestnut-red ; upper back and upper breast black ; 

 back with fine black cross-lines on a whitish ground, 

 becoming black towards the tail ; tail dark brown ; 

 wings grayish-brown, grayer on the shoulders, with 

 gray speculum ; under parts white, finely cross-lined 

 with black, clearer on the belly ; black beneath tail ; 

 bill black, crossed by a blue-gray band ; legs blue- 

 gray. Female: ruddy-brown on head, neck, upper 

 back, and upper breast ; whitish face and fore-neck ; 

 remaining plumage generally as in the male, but 

 browner. Resident and winter migrant. 



Eggs. 7-10, or more, greenish-drab; 2'4 X 1'7 

 inches (plate 134). 



Nest. Lined, as usual with Ducks, with down from 

 the bird's own body, and placed among sedges, rushes, 

 or other coarse growth beside lakes. 



The Pochard, though breeding in some numbers 

 on inland waters in many parts of the United 



