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095 VIGILANCE - PRONGHORN ANTELOPE
Pronghorn, Harding County, South Dakota. A roaming band of four females and one male pronghorn pause to investigate while foraging below the snow for yet tender plant parts on a high grassland bench in a remote part of northwestern South Dakota. Like deer, elk and bison, Pronghorn gather up in large numbers during winter, eking out an existence in the rugged winters in the northern Great Plains. Built for speed, the pronghorn is the fastest land mammal in North America and can reach speeds of 60 mph and evolved specifically on the Great Plains with no similar relatives anywhere else in the world.