114 Birds of Canada. 



L. canus. The Common Gull. 



The Common Gull is the most numerous of 

 the family. It is seventeen inches long ; bill, 

 yellow ; head, neck, tail, and whole under side 

 of the body, white ; the back and coverts of the 

 wings are gray. 



L. glaucus. The Glaucous Gull. 



This gull breeds in the arctic regions. An 

 accidental visitor in Canada. 



L. leiicopterus. The White-winged Gull. 



This species breeds in the far north. A rare 

 visitor. 



Z. delawarensis. The Ring-billed Gull. 

 This gull is a rare visitor in Canada. 

 L, eburneus. The Ivory Gull. 



This beautiful gull is very common in the 

 arctic regions, and occasionally visits Canada 

 in the fall and winter. 



Crcagrus furcatus. The Swallow-tailed Gull. 



This pretty gull is an accidental visitor in 

 Canada. Its habitat is the Pacific coast. 



CJiroicoccphalus atricilla. The Laughing Gull. 



This little gull is a summer resident of Canada. 

 The head and upper part of the neck is blackish- 



