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Gemini Springs Park
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Charadriiformes > Laridae

Heermann's Gull

Larus heermanni

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Identification

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Unique smoky-gray gull with red bill. Breeding adults have a clean white head that blends seamlessly into the gray neck; nonbreeding adults have smudgy dark streaking on the head. Immatures are entirely dark brown with a yellowish or reddish bill with a dark tip. Almost exclusively coastal; usually seen in flocks loafing on beaches or feeding in nearshore waters. Breeds in Mexico mainly in the Gulf of California; migrates as far north as Washington and British Columbia in winter. Overall dark plumage of immatures might recall a dark-morph jaeger; note Heermann's lacks pale wing flashes and never shows pale mottling on the belly or underwings.

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Heermann's Gull

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