Gulls 



42. Glaucous Gull (Larus glaucus). L. 28; W. 17. 

 1; B. 2.35. No black in plumage. Ads. Primaries 

 white tinted with pearl; bill with red spot at end of 

 lower mandible. Yng. Dirty white or gray, mottled 

 with dusky and butty, chiefly above; primaries white; 

 outer webs brownish. 



Range. — Northern hemisphere; breeds in America, from Labrador 

 northward; winters south to middle California, Great Lakes and Long 



Island. 



42.1. Point Barrow Gull [Larus barrovianus). 

 Similar to No. 42, but bill through angle not so deep, 

 (.8 as compared with .9 in glaucus); primaries more 

 distinctly tipped with white. Notes. "ku-kii-M, ku- 

 ku-kii, kU-lee-do, kil-lee-od, ku-lee-oo, ku-kil-kii, ku- 

 ku-kii, the ku-ku hoarse, the rest a shrill screaming." 

 (Nelson.) 



Range. — "Bering Sea and contiguous waters; northeast to Point 

 Barrow, southwest to Japan." (A. O. U.) 



43. Iceland Gull {Larus leucopterus). L. 25; W. 16; 



B. 1.75. Similar in color to Nos. 42 and 42.1, but 

 smaller. 



winters south in America to 



Range. — Atlantic; breeds in Greenland; 

 Great Lakes, and rarely, Long Island. 



44. Glaucous-winged Gull (Larus glaucescens). L. 



27. Ads., summer. Head, tail, and underparts white; 

 back pearl; primaries pearl, tipped with ■white. Ads., 

 winter. Head and neck streaked with brownish. 

 Yng. Brownish gray, more or less mixed with white, 

 including wings and tail. 



Range. — North Pacific; breeds from British Columbia to Bering 

 Straits; winters south to southern California. 



45. Kumlien Gull {Larus kumlieni). W. 16.2; 

 B. 1. 75. Similarto No. 43, but primaries with well de- 

 fined ashy gray space*;; outer primary tipped with white, 

 with ashy gray on outer web and shaft part of inner 

 web; second primary ashy gray on only shaft part of 

 outer web. 



Range. — "North Atlantic coast of North America, breeding in Cum- 

 berland Gulf; south in winter to the coast of the Middle States." (A. 

 O. U.) 



46. Nelson Gull (Larus nelsont). "Wing 18.25, 

 culmen 2.35. Ads. In plumage exactly like L. kum- 

 lieni; depth of bill through angle .80; tarsus 3.05; 

 middle toe (without claw) 2.40." (Ridgv/ay.) 



Range. — "Coast of Norton Sound, Alaska . " (A. O. U.) 



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