Casey's Wild Backyard

Casey Anderson encounters a mountain lioness on his ranch and discovers she has several young mouths to feed.

Casey finds a nest of wintering rattlesnakes and explains how they survive in the harsh land of the Wyoming prairie.

Casey follows one of the bison herds that is making a comeback in Yellowstone.

Casey tracks a male grizzly bear that is making his first forays into the Yellowstone spring after a winter hibernation.