Birds of Oregon and Washington 215 



Description. — Mantle, pearl-color, medium shade ; 

 the rest of the plumage, white, except quills, which have 

 black on them. A sure distinguishing mark is a gray 

 wedge-shaped patch on inner web of wings. 



Winter resident. 



THE BONAPARTE'S GULL. 



Length, 12 to 14 inches. 

 This Gull is more or less common all along 

 our coast, very common at Ilwaco, Washington, 

 and in some other places. It may be distin- 

 guished from all of those previously named by its 

 size ; it is much smaller. It is to be seen only in 

 autumn and in winter, as it breeds in Alaska. 



Description. — Winter plumage of adult : Head, 

 white ; back of head, tinged with grayish ; ear-coverts, 

 marked with a dusky spot ; mantle, delicate pale pearl- 

 gray ; three outer quills in wings, white and gray, but 

 terminals, black ; rest of plumage, pure white ; feet, in 

 life, pale flesh-color ; bill, deep black. (Ridgway.) 



Winter resident. 



THE PACIFIC KITTIWAKE. 



Length, 16 to 17 inches. 



This Gull is quite a common winter resident 

 upon our coast, and may be identified by notic- 



