44 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Circle, in the Azores and northern Africa, and from Siberia to China and 

 Japan. Winters from the Aleutian Islands, central Alaska, western Montana, 

 southern Saskatchewan (rarely), Nebraska, Minnesota, southern Wisconsin, 

 northern Indiana, Ohio, Maryland, and Nova Scotia (casually) south to southern 

 Mexico, the Lesser Antilles, and Panama; also to South Africa, India, Burma, 

 and Borneo. Casual in Hawaii, Bermuda, Cuba, Jamaica, Grenada, and the 

 Bahamas.^ 



Anas platyrhynchos conboschas Brehm. Greenland Mallard. [132a.] 



Anas conboschas C. L. Brehm, Handbuch Naturg. Vogel Deutschl., 1831, 

 865. (Gronland.) 



Range. — West coast of Greenland as far north as Upernavik (breeding), 

 and on the east at least to Angmagsalik. Apparently resident but may mi- 

 grate locally. 



Anas diazi novimexicana Huber. New Mexican Duck. [133.1.] 



Anas novimexicana Huber, Auk, XXXVII, No. 2, April 15, 1920, 273. 

 (Rio Grande River, west of Las Cruces, Dona Ana County, New 

 Mexico.) 



Range. — Rio Grande Valley from Albuquerque, New Mexico, to El Paso, 

 Texas, and probably also in Chihuahua. Casual in Nebraska and California. 

 [An allied race occurs in Mexico.] 



Anas rubripes rubripes Brewster. Red-legged Black Duck. [133a.] 



Anas obscura rubripes Brewster, Auk, XIX, No. 2, April, 1902, 184. 

 (Lake Umbagog, New Hampshire shore.) 



Range. — Breeds north of the range of A. r. tristis, in northern Quebec 

 (Ungava), northern Manitoba, and northern Ontario. Winters south to 

 Arkansas, southern Texas, Louisiana, and Alabama, and from the Great Lakes 

 and New England down the Atlantic coast to northern Florida. Casual in 

 Colorado. 



Anas rubripes tristis Brewster. Common Black Duck. [133.] 



Anas rubripes tristis Brewster, Auk, XXVI, No. 2, April, 1909, 176. 

 Based on Ajias obscura Gmelin = the Dusky Duck Pennant, Arct. 

 Zool. (in Noveboraco = New York.) 



Range. — ^Breeds in the Atlantic coast region from Maine to Delaware 

 (sparingly to North Carolina), and west to northern Indiana, Wisconsin, 

 and southern Ontario. Winters from New England to North Carolina, Geor- 

 gia, and Louisiana. 



1 The Mallards of Iceland and the Azores have been recognized as distinct 

 races by some authors. 



