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Data for:
Mansfield Hollow Dam
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Charadriiformes > Laridae

Herring Gull

Larus argentatus

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Identification

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Widespread and often common inland and on the coast. Adults have gray back with black wingtips. Takes four years for immatures to progress from mostly brown to white and gray; intermediate plumages are often mottled and messy. Larger and heftier than Ring-billed Gull with a thicker bill. Scavenges shorelines, mudflats, plowed fields, and open ocean, picking up scraps wherever it can. Often congregates in large groups with other gulls, especially around fishing boats, beaches, piers, and landfills.

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