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Caspian Gull? Tehran, Iran (1 Viewer)

Abraham Shokouhi

Well-known member
I am almost sure that all 3 gulls are Caspian but the middle one has a different size, bill shape, and color. Would you please help me to know more about them.
 

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because it's of a younger age (probably 4cy to be precise). they look like caspian gulls allright but without an open wing it's always a bit tricky. male steppe gulls can look identic.
 
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