30 WATER FOWL. 



CYGNUS BUCCINATOR. 



Geographical Distribution. Interior of North America, west 

 to the Pacific coast, from the Arctic regions to the Gulf of Mex- 

 ico. Breeding from Northern United States, as Iowa and the 

 Dakotas, northward. Accidental on the Atlantic coast. 



Adult. Entire plumage, white; sometimes a wash of rust color 

 on the head. Bill, lores, and feet, black. Average total length, 

 about 63 inches; wing, 24^; tarsus, 4f ; culmen, 4^. 



Young. General plumage, gray, with rust color on head and 

 neck. Bill, basal end flesh color, dusky for remaining portion. 

 Legs and feet, grayish. 



