American pika disappearing from Western regions — High Country News – Know the West

The pika is fading from historical habitat and a new study points to climate change.

American pika disappears from large area of California's Sierra

Pikas Disappearing from Parts of the West Due to Climate Change

Where species will find refuge — High Country News – Know the West

Feds: Mountain-dwelling pika may need protections

Meet the pika (the mountain hamster)

Adorable American Pika Is Fast Disappearing, And We're Doing

Allergies, glaciers and pikas: climate change in action

20 of the most fascinating animals in North America

Hike and help pikas. If you plan on hiking this summer…