Bonaparte's Gull	(Larus philadelphia)
Photographed in California, by Jim Rosso.	The bird in the bottom photo has juvenile plumage.
	Charadriiformes	Natural History

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Other members of the genus Larus:		Mew Gull	Great Black-backed Gull	Yellow-footed Gull
	Western Gull	Laughing Gull	California Gull	Franklin's Gull
	American Herring Gull	Heermann's Gull	Glaucous-winged Gull	Ring-billed Gull

Spring plumage	Bonaparte's Gulls often feed while flying. This photo shows a bird putting its head into the water while it is feeding.