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Dark-bellied Herring Gull?

Posted: Thu Feb 12, 2015 5:39 pm
by alfosse
Any idea, comment for that dark-bellied 2cy Larus? Video on http://youtu.be/XdW6jLn2Dwg Taken on 5.2.15 at La Séguinière, Western France (No other pictures)
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Re: Dark-bellied Herring Gull?

Posted: Wed Mar 18, 2015 3:40 pm
by marsmuusse
Probably northern argentatus. No scap moult, juv plumage.

Re: Dark-bellied Herring Gull?

Posted: Wed Mar 18, 2015 3:43 pm
by alfosse
marsmuusse wrote:Probably northern argentatus. No scap moult, juv plumage.
Thank you Mars