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A polar bear, Ursus maritimus, boar bares his teeth as he tries to bite at a truck window, showing its curious nature, Barter Island, Alaska. What I love about this image is that it shows the animal’s technical adaptations for survival on the ice - the serrated teeth used for stripping the skins off seals to get to the rich layer of blubber, how the bottom of their feet are designed with pads to keep them insulated from the cold ice, the black nose and skin that keeps them cool in the summer and warm in the winter – the stuff you don’t normally get to see up close! Fall, October 19, 2005, 3:36 a.m.

EQUIPMENT/DETAILS: Nikon D2X, Tokina 12.0-24.0 mm f/4 lens; 1/250 at f4.0; ISO 100. Flash used.

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