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Gull Rio de Janerio state

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Old Wednesday 31st October 2012, 21:04   #1
steenl
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Gull Rio de Janerio state

Hello everyone,

Grey-headed Gull? Or Brown-headed.

Tx for helping.

Greetings,
Lennaert
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Old Wednesday 31st October 2012, 23:09   #2
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The relatively dark underwing makes me think Gray-hooded Gull. Any photos of upperside of wings?

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Old Thursday 1st November 2012, 07:09   #3
JANJ
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Like this:

http://www.pbase.com/james_lowen/image/112806186

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Old Thursday 1st November 2012, 08:51   #4
chris butterworth
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Grey-headed. The underwing on adult Brown-hooded would lack the isolated mirror, have a distinctive white tip to the wing, the black would stop about halfway down the primaries, there would be black subterminal spots on the middle primaries and no 'pearls' on the trailing edge.

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Old Thursday 1st November 2012, 15:21   #5
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Tx guys for the confirmation!
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Old Thursday 1st November 2012, 17:57   #6
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Grey-headed for me too.
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