Gulls 



51. Herring Gull (Larus argentatus}. L. 24. Ads., 

 summer. White spaces at end of outer primaries 

 sometimes joined. Ads., winter. Similar, but head 

 and neck, streaked with grayish. Yng. Above ashy 

 brown, margined and marked with buffy; wings brown- 

 ish black; tail the same; sometimes margined with 

 buffy; below ashy brown, sometimes lightly barred or 

 streaked with dusky. Notes. Cack-cack-cack; hah, hah, 

 hah, and other notes. 



Range. Northern hemisphere; breeds in America from Maine, 

 Great Lakes, Minnesota, and British Columbia northward; winters 

 south to Cuba and Lower California. 



52. Vega Gull (Larus vegce). Similar to No. 51, but 

 back said to be darker; feet yellow. 



Range. "Bering Sea and adjacent waters; south in winter to Cal- 

 ifornia and Japan." (A. O. U.) 



53. California Gull (Larus caUfornicus). L. 20. 

 Ads. Similar to No. 54 but larger; a red spot near tip 

 of lower mandible; white spot on outer primary, larger 

 and nearer end. Yng. Similar to No. 54 but darker; 

 tail nearly uniform fuscous. 



Range. Western North America; breeds chiefly In Interior, from 

 Utah to Lat. 68 , ^o'; winters from British Columbia to Mexico. 



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