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

Black bird (E Mexico) (1 Viewer)

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Hippolais

Luca Boscain
Bird photographed in Chichen Itza: is it a common Great-tailed grackle or could be a Giant Cowbird??
 

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Great-tailed grackle would have an obvious yellow eye and a bluish sheen. It also wouldn't be nearly as beefy.

Giant Cowbird for me.
 
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