Forum > Identifying Birds > Gull Id Needed

Wolverine Posted 13-Jun-2017 09:41
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This is gull I found in Reuss river (very close to Chapel Bridge), Lucerne, Switizerland (sorry, not UK. But, I am pretty sure they are also found in UK) while on a tour. I was new to Europe and unable to ID this gull. Please help.

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Mickc Posted 13-Jun-2017 12:08
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I am not too hot on gulls but this looks very much like a Yellow-legged Gull, Wolverine. 

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Wolverine Posted 14-Jun-2017 10:58
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Thank you Mickc. From the checklist of birds in Lucerne, Switzerland (from Avibase checklist), I find that Larus cachinnans (Caspian Gull) also matches (from Oriental Birds database). Can you please check and tell if there are any distinguishing features?

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Mickc Posted 14-Jun-2017 12:43
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There is not a lot of difference between the Caspian, Herring & Yellow-legged gulls but there is s very comprehensive article on the berksbird website that may assist you, Wolverine.  The pink legs on a Herring Gull make for easy identification there.  Photos of the underwing of a Caspian gull appear to have a light grey strip following on from the black tips whereas your photo seems to show an all white underwing.  Your photos are very clear and I am sure you will be able to decide what it is.  I am out of my depth here I am afraid!

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Wolverine Posted 15-Jun-2017 23:57
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Thanks! I will check out the website Mickc. 

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