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Can be a Caspian Gull?
Posted: Wed Dec 09, 2009 9:22 pm
by paseriformes
My colleague Javier Marchamalo sent me this two pictures to ask your opinion.
Delfín
Re: Can be a Caspian Gull?
Posted: Thu Dec 10, 2009 10:19 am
by Ruud Altenburg
No, rather a YLG or even LBBG. In Caspian you would notice a paler overall brown of the juvenile feathers and normally less boldly marked second generation feathers. Another obvious character for Caspian is the pale tips to the greater coverts.
Re: Can be a Caspian Gull?
Posted: Thu Dec 10, 2009 10:23 am
by marsmuusse
Agree with Ruud, micha probably.