Pronghorn antelope

The pronghorn antelope (Antilocapra americana) are American natives and found nowhere else in the world.  It is the only surviving member of the family Antilocapridae - the other members became extinct around the time the first humans arrived in America.

Pronghorn populations were down to only about 13,000 in 1920s but have rebounded thanks to habitat protection and hunting restrictions.  While the numbers in Wyoming and northern Colorado are comparibly high, other populations, like the Sonoran prongorns, are still at risk.  Three subspecies of pronghorn antelope in Arizona and Mexico are endangered.  Livestock grazing and associated fences, road construction and habitat fragmentastion, loss and destruction are main problems facing pronghorn antelope.  Disease spread from domestic sheep, called blue tongue, has affected a few localized populations of pronghorn antelope.

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