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Data for:
San Mateo, California, United States
List:

Charadriiformes > Laridae

Heermann's Gull

Larus heermanni

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Identification

POWERED BY MERLIN

Strictly coastal. Darker overall than other gulls. Adults are all gray with white head and red bill. Immatures are dusky-brown overall with pinkish bill. Migrates north from breeding grounds in Mexico to coastal regions of California, Oregon, and Washington in summer (after breeding).

POWERED BY MERLIN

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