An American Pika (Ochotona princeps) outside its burrow in the Canadian Rockies. these small rodents are adapted to cold mountain environments and are threatened by climate change. As their habitat warms up, they have nowhere to go. Local extinction rates of American pikas have increased nearly five-fold in the last 10 years, and the rate at which the climate-sensitive species is moving up mountain slopes has increased 11-fold since the 20th century