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

Great Northern Diver - Firth of Forth (1 Viewer)

Gander

Well-known member
Would you say both these photos are of GND? Quite possibly the same bird.
 

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|:S| As if this isn't hard enough without them changing their attire. 3:)

I never considered R-T D, as there was a silvery winter R-T D specimen, just along from the pictured bird. I also, thought the head and back of neck were black, not grey, but I think that was the effect of distance. |:$|
 
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