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

Gulls again - north of Japan (1 Viewer)

AndyS56

Well-known member
Saw these in May, between northern Japan and the Kamchatka peninsula.

All help appreciated please!

Andy
 

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Agree #3 looks like adult slaty-backed, although hard to see shocking pink legs in this pic - found them to be most common gull in N Japan in winter.
#1 could be immature (1yo) slaty-backed which hasn't developed dark back (which it would have done by late summer according to Sibley).
 
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