480 Colorado College Publication 



Dafila acuta. Pintail. 



A common migrant, and about the first of ttie ducks 1o 

 appear in spring, often arriving early in February. Comes 

 south in October. A male seen on Monument Valley Park 

 reservoir, May 6, 1913. 



Marila americana. Redhead. 

 A rather common migrant. 



Marila valisineria. Canvas-back. 

 Migrant ; not common. 



Marila affinis. Lesser Scaup Duck. Little Blue-bill. 



Common migrant. One seen on Monument Valley Paik 

 reservoir April 20, 1913, and two October 12, 1913. 



Marila collaris. Ring-necked Duck. 



Rare migrant. A few have been brought to Aiken. 



Clangula clangula americana. Golden-eye. 



A casual migrant. Aiken had specimens brought to liim 

 taken March 3, 1900,- and December 14, 1906. 



Charltonetta albeola. Buffle-head. 

 A common winter visitor. 



Oidemia deglandi. White-winged Scoter. 



There is but one record of the occurrence of this species 

 in the County, a specimen which was killed on the Johnson 

 reservoir near Skinner's, October 16th, 1907, and mounted 

 by Aiken. 



Erismatura jamaicensis. Ruddy Duck. 



A rather common migrant, arriving late in spring. One 

 was killed on Prospect Lake in the spring of 1912. Two 

 males seen on Monument Valley Park reservoir, April 17, 1913. 



