American Pika squeaks an alarm call, Moraine Lake, Canada

Moraine Lake, Banff National Park, Alberta, Canada (August 2014)

Also known as Little Chief Hare, Cony, Rock Rabbit, Whistling Hare.

For more information on this species of Pika see the following links:
Ochotona princeps / IUCN Red List of Threatened Species
American pika / Wikipedia
American pika (Ochotona princeps) / ARKive

Tv(Shutter Speed) 1/1600
Av(Aperture Value) 6.3
Exposure Compensation -1/3
ISO Speed 800