North American Birds Eggs. 



27 



42. Glaucous Gull. Ijinis (jldtiriiK. 



Range. — Arctic regions, south in winter to Lon 

 San Francisco Bay. 



This Gull shares with the Great Black-backed Gull th 

 largest of the Gulls, be- 



Islantl, the (4reat Lakes, and 

 honor of being the 



f i^ -r ■->' 



^^.r^ 



ing28 inches in length. 

 Mantle light gray; it is 

 distinguished by its 

 size and the primaries, 

 which are white to the 

 tips. A powerful bird •# 



that preys upon the 

 smaller Gulls and also ^* 

 devours the young and 

 eggs of smaller birds. 



They nest on the 

 ground on the islands 

 and shores of Hudson * 



Baj-, Greenland etc. 

 The nest is made of sea- 

 weed, grass and moss 

 and is generally cjuite 

 bulky. The two or 

 three eggs are laid in 

 June. They are of various shades of color from alight drab to 

 are spotted with brownish and black. Size about 3x2.2(3. 

 June 8, 1888. Nest of seaweed on ledge of sea cliff. Three eggs 



f 



[Buffy brown. 



a brownish, and 

 Data. — Iceland, 



V^ 



^ 



42. I. Point Barrow Gull. Larus barrovianus. 



Range 



-Northwest coast from Bering Sea to Point Barrow. 



Thi 



^ 



«J» 



[LJult. 



1900. Nest made of seaweed and grass; placed on 

 •Collector, Rev. I. O. Stringer. 



^pecies is almost 

 identical with the Glau- 

 cus Gull, averaging per- 

 haps a trifle smaller. 

 Its standing as a dis- 

 tinct species is still 

 questioned and has not 

 yet lieen decided satis- 

 factorily. Early in June 

 their nests are built on 

 remote islands in Ber- 

 ing Sea. These nests 

 are the same as the last 

 species, large piles of 

 vegetation, hollowed on 

 top for the reception of 

 the eggs. The eggs have 

 the same variations in 

 color and markings as 

 the Glaucus Gull. Size 

 3 X 2.10. Data.-Her- 

 schel Is. Alaska. Julyl, 

 the ground. Three eggs. 



^v- 



