uuglypher wrote:Hi, Steve,
the feature that is most often noticed that doesn't even require closely inspecting the beak margin is that the brightest of the background's sunlit snow is a bit gray...not the white of the falcon presumably illuminated by the same sun. AND...it is noticeable at normal viewing distance..
Thanks for your comments, Steve,
uuglypher wrote:The gyrfalcon, a holarctic species with three color "phases" ( black, gray, white) regularly winters in central South Dakota .This federally licensed falconer's trained Gyr is pictured against the wintry landscape of Harding County, SD.
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