Pronghorn: the ultimate marathon runner!

The pronghorn gets its name from the conspicuous prong that sticks forward off its shiny black horn.  The pre-ice age Antilocaprids (pronghorn) were once a diverse group of 15 to 40 species only found in North American.  Following the ice age only one species survived: The Pronghorn. Standing about the size of a small deer, [...]