Dark eyed YLG

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JanJ
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Joined:Mon Oct 12, 2009 10:08 pm
Re: Dark eyed YLG

Post by JanJ » Thu Dec 24, 2009 6:08 pm

As pointed out by Ronald here at the bottom:

viewtopic.php?f=14&t=104

it´s always advisable to be aware of the possibility of hybrids. As can be seen in cachinnans observed in W.E the primary pattern is to a certain degree, variable. Some individuals shows a mirror on p10 with a larger amount of black in wingtip, as the bird in the linked post above. However, when viewing pic. of adult cachinnans - the position of the primaries are important, to be able to see get a clear view of the pale tongues - especially on the upperside. Some birds do have short toungues on p9 & p10.

http://www.artportalen.se/birds/gallery ... eID=115596

http://gneubauer.republika.pl/Apr2009.html

Jan

Ronald Klein
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Joined:Mon Nov 30, 2009 5:20 pm

Re: Dark eyed YLG

Post by Ronald Klein » Tue Dec 29, 2009 4:43 pm

Dark eyes also possible in adult Herring gulls, but quite, quite rare. This guy is an example, 7 years old in February 1996. Hatched (metal-ring) on the Finnish SW-coast and observed near Rostock/Germany.
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