Breeding adult © Simon Boivin eBird S58305520 Macaulay Library ML 169295191
Nonbreeding adult © G & B
Third winter © Evan Lipton
Third winter © Evan Lipton
Second winter © Chris Wood
+ 6
Second winter © Alex Lamoreaux
Juvenile © Evan Lipton
Breeding adult © Jeremiah Trimble
Juvenile © Louis Bevier
Habitat © Jay McGowan

American Herring Gull Larus smithsonianus

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Identificazione

OFFERTO DA MERLIN

Common and widespread large gull found throughout North America. Adults have a fairly pale gray back, pale eye, and dull pinkish legs. Takes four years for immatures to progress from mostly brown to fully white and gray adult plumage; intermediate plumages are often mottled and messy. Usually shows a dull pinkish base to the bill by the first winter, and develops a pale eye by the second winter. Some immature birds can fade to almost white, especially in their first or second summer, but they always show darker wingtips. Occurs inland and along the coast, frequenting fishing boats, beaches, lakes, and landfills. Often forms large flocks with other gulls.

OFFERTO DA MERLIN