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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

One more gull: Yellow - legged this time? (1 Viewer)

Michał Jaro

Well-known member
As in the title - I will add that the date is August, Poland, Podhale.
 

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Hello Michal,
yes it looks very good for a juvenile YLG for me too. Including the right dark mask around the eye and a heavy bill.
Paler areas on the underwing still seems to have substantial barring, not unmarked whitish like the many birds that I identify as Caspian Gulls in NE Germany.

But better wait for Lou!
 
Looks good for YLG, especially on the pattern of greater coverts and tertials. Note that juvenile Caspian Gulls also have a mask, usually a bit less contrasting, more washed, often more extended than in michahellis, and they can virtually have the same underwing pattern as seen here. Best, if you try to get a pic with the open tail from above - that's quite a stabile feature (black band tapering towards corners in michahellis, parallel and broader in cachinnans).
 

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