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Project Noah Nature School
Larus heermanni
Adults have a medium gray body, blackish-gray wings and tail with white edges, and a red bill with a black tip. The head is dusky gray in non-breeding plumage and white in breeding plumage. Immatures resemble non-breeding adults but are darker and browner, and the bill is flesh-colored or pink till the second winter.
They are usually found near shores or well out to sea, very rarely inland. This one was in Fishermans Wharf, SF Bay, CA. See Alcatraz Island in the background.
Spotted on Sep 13, 2014
Submitted on Nov 2, 2014
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