Almost dark, look at the size of the pupils..
www.owlpages.com/owls/articles.php?a=5#:~:text=As%20most%...).
Explore (01/15/2021) -> #36
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Canon EOS-1D X Mark II
EF600mm f/4L IS II USM
ƒ/4.0 600.0 mm 1/50 6400 Flash (off, did not fire