Speeding across Central Montana’s plains is an enigma called the pronghorn antelope. But it’s not an antelope at all. Instead it is the sole remaining member of the Antilocapridae family of hooved mammals, a family that flourished in North America before and during the Ice Ages; then dwindled until only the pronghorn was left.

Named for its large horns, each of which sports a forward-facing prong, today’s pronghorn antelope, Antilocapra americana, represents 28 million years of evolution, making it extremely well suited to the prairie habitat.

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Deb Hill can be reached at dhill@lewistownnews.com or by phone at (406) 535-3401.