Wood bison, Alaska
Two wood bison in falling snow: the heavier, taller-humped subspecies native to Alaska, which had gone from the state by the early twentieth century.
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Both animals stand facing away from the camera in falling snow, bare trees behind them and an empty white field beyond. They are wood bison, Bison bison athabascae: heavier on average than plains bison, with a taller hump whose highest point sits forward of the front legs. Wood bison are the subspecies that occurred naturally in Alaska, and by the early twentieth century they had disappeared from the state.
They are at the Alaska Wildlife Conservation Center near Anchorage. No head or eye shows anywhere in the frame; both animals face away, so the hump is the only thing in the picture that names the subspecies.