Why does the government conduct roundups that affect Cloud and his family as well as countless other wild horses?

In 1995, while filming wild horses in the mountains of Montana, Ginger Kathrens discovered a striking, almost pure white colt just hours after his birth.

NATURE presents a breathtaking look at wintertime deep within Yellowstone, America's first national park.

Filmed in the mountains of Montana, this poignant, engrossing chronicle focuses on an extraordinary stallion, whose life has been recorded since his birth in the wild in 1995 by Emmy-winning filmmaker Ginger Kathrens.

See breathtaking images from the Rockies and get the filmmaker's commentary about the making of Cloud: Wild Stallion of the Rockies.