American Pika (Ochotona princeps) leaping from one alpine rock to another as it heads to its home carrying food for the winter months. Rocky Mountain National Park, Colorado, USA. August
Pika, (Ochotona princeps) bringing vegetation to Hay pile, in Bridger National Forest, Wyoming, USA, July
Pika (Ochotona princeps) resting, Denali National Park, Alaska, USA, September
Pika (Ochotona princeps) gathering plants to store for winter, Bridger National Forest, Wyoming, USA. August
Pika (Ochotona princeps) in scree rock pile, Sheepeaters Cliff, Yellowstone National Park, Wyoming, USA, September
