HERRING GULL. 



51. Larus argentatus. 24 in. 



Mantle gray. Primaries black, with white 

 tips. In winter the head and neck are 

 streaked with gray. Young are heavily or 

 lightly mottled above and streaked below 

 with dusky. The most abundant of large 

 gulls. 



Notes. Loud cackling and squawks. 



Nest. A hollow on the ground, lined with 

 weeds or seaweed. Eggs olive-gray, spotted 

 with black. 



Range. Breeds north from Me., the Great 

 Lakes and British Columbia. Winters along 

 the coasts of U. S. and shores of Great Lakes. 



RING-BILLED GULL. 

 54. Larus delawarensis. 18 in. 



Gray mantle. White tips to the black 

 primaries. Yellow bill crossed by black line. 

 Young birds are mottled and have a black 

 band across the tail. 



Range. Breeds north from northern N. 

 Y., W T isc. and Ore. Winters throughout U. S. 

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