' ' GLAUCOUS GUI,L. '"' '••"'"■'"i ■•'■'•■ 



BURGOMASTER. ',if •■ ' 



Larus GLAUCUS. 



Char'. Mantle pale pearl gray, rest of plumage white ; bill yelldw, with 

 a patch of orange at the angle ; legs and feet bright pink. Length about 

 32 inches ; female somewhat smaller. 



In winter the head and neck are streaked with pale brownish gray. 

 Immature birds are mottled grayish brown and pale gray; the first 

 plumage is the darkest. In the spring, before the young assume the pearl 

 mantle, their entire plumage becomes white. 



ATest. Usually on a cliff, sometimes on a low, grassy island or sandy 

 beach ; a slight affair of sea-weed or moss or grass. 



Sg^s. 2-3 ; stone drab or olive buff, sometimes pale buff, marked with 

 brown and ashy gray j average sijse sbo"' 3-oo X 3-cio. 



