WHITE-FRONTED GOOSE. 

 Anser alhifrons (Gmel.). 



In the genus Anser the bill is much less stout than in 

 Chen, and the nail, which terminates it, is thinner and 

 less strong. The present species is generally grayish- 

 brown in color, the feathers immediately about the bill 

 being in adults white, bordered behind by dark brown. 

 The head and neck are grayish-brown, darkest on 

 crown of head and back of neck. The body is grayish, 

 many of the feathers being tipped with white. The 

 primaries are black, the rump slate-brown, the upper 

 and under tail coverts white, and the tail grayish-brown 

 margined with white. The under parts are grayish, 

 variously, often heavily, blotched with blackish-brown; 



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