Viking Gull - Larus hypergentatus

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Re: Viking Gull - Larus hypergentatus

Post by JanJ » Fri Mar 09, 2012 5:20 pm

Jörgen Bernsmo wrote:Simrishamn, Sweden 2011-03-12
viking_2k 2266.jpg
viking_2k 2252.jpg
viking_2k 2333.jpg
viking_2k 2311.jpg

Caspian Gull to the far left in Jörgens 1st pic.


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Re: Viking Gull - Larus hypergentatus

Post by adriaens » Tue Mar 27, 2012 11:37 pm

Kent Olsen wrote:Viking Gull, February 2012: ... argentatus
Am I the only one who gets the strong feeling that this bird is, in fact, a 'good' Thayer's Gull?
The thin bill, rather slender body shape, the colour and pattern of the juvenile scapulars, the silvery-grey underside of the primaries, and silvery-grey inner webs to outer primaries all look spot on, and I cannot see anything wrong for this species...

A similar example, from California (Jan 2011):
ThayersGull_1c_PointReyes_CA_20110127_013.JPG (798.28 KiB) Viewed 2306 times

Kent Olsen
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Re: Viking Gull - Larus hypergentatus

Post by Kent Olsen » Wed Mar 28, 2012 3:23 pm

Very interesting, Peter

Let’s move this particular discussion to this post: viewtopic.php?f=13&t=753

I have now selected other photos of the same individual: ... -gull.html

If you have other California photos for comparison I would very much like to see some more


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