North American Birds Eggs. 

 45. Kumlien Gull. Lafiis kii mlici}}. 



29 



Range.— North Atlantic coast, breedintr in C'unihcrland ^ound and wintering 

 as far south as Long Island 



This bird differs from the (tiaucus-winged only in the pattern of the gray 

 markings of the primaries and in having a little lighter mantle. It is (juite 

 common in its breeding haunts where it places its nest high up on the ledges of 

 the cliffs. The eggs are not different apparently from glduresrciDi. 



46. Nelson Gull. Ijtnis iicl-soiii. 



Range.— Coast of Alaska. 



Plumage exactly like that of Kumlien Gull and questional)ly a new species. 

 The nests and eggs are not to be distinguished from the preceding. 



47. Great Black-backed Gull. Laru-s i)uirimi-s. 



/^. 



jr^^ ^«»r 



Range. — North Atlantic on both the American and European sides ; breeds 

 from Nova Scotia northward and winters south to the Great Lakes and the 

 Middle States. 



The largest of the Gulls (thirty inches long) and unlike any other. The 

 mantle is dark slaty black, and the primaries are black with white tips. The 



bill is very large and 

 powerful and q u i te 

 strongly hooked. They 

 are quite abundant 

 birds in their range,, 

 and are very quarrel- 

 some, both among 

 M '■Ml t * *» Jt ""^''BHl^^ themselves and other 



£ y^ ^ ^■:\ •* '^^^ species. They do not 



fJ^' * ' 1^^^ breed in as large 



•^ -I^^B colonies as do the 



other Gulls, half a 



dozen pairs appro- 



^^^^^ priating a small island 



9kS \ ^|L Mtt^^W to the exclusion of all 



1^! \ ^^^^ other i)irds. They are 



^^. ; * ^, i^BHHH^H^^r very rapacious birds 



and live to a great 

 extent, especially dur- 

 ing the breeding sea- 

 son, upon the 

 eggs and young 

 of other birds such as 

 They place their nests upon the higher 

 portions of sandy islands. They are made of grasses and seaweed. The three 

 eggs are laid early in June ; they are grayish or brownish, spotted with brown 

 and lilac. Size 3x2.15. Data.— South Labrador, June 21, 1884. Three eggs. 

 Nest on a small island off the coast ; of grasses and moss. 



Ducks, INIurres 



[(irayish l)uff.| 

 and smaller Gulls. 



