Wild America — S1E4: Mountain Monarchs

Alpine animals are truly the kings of survival. In order to survive in a severe and unpredictable habitat, all have adapted in special ways. A revealing time-lapse shows the development of Golden Eagle chicks. Also presented are the four Wild Sheep -- the Dall, Stone, Mountain and Desert Bighorn -- as they fight their everyday battle to endure and perform their ancient rituals of courtship.