Caspian or a hybrid?

paseriformes
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Caspian or a hybrid?

Post by paseriformes » Sun Feb 02, 2014 9:56 pm

I thought that can be a Caspian Gull, but some Spanish colleagues have different opinion, and think that can be a hybrid.
Delfín
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Gaviota Cáspica mlw.jpg
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Gaviota Cáspica j j w.jpg
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Gaviota Cáspica i w.jpg
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Gaviota Cáspica h w.jpg
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Gaviota Cáspica f w.jpg
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Gaviota Cáspica d w.jpg
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