American pika disappears from large area of California's Sierra Nevada mountains

Full article: A complex patterned-ground ecosystem in the Sierra

Camera Traps Provide Insights into American Pika Site Occupancy

Shrinking range of pikas in California mountains linked to climate

Shrinking range of pikas in California mountains linked to climate

Full article: A complex patterned-ground ecosystem in the Sierra

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

Full article: A complex patterned-ground ecosystem in the Sierra

Disappearance of the Pika - Conservation Articles & Blogs - CJ

American pika vanishing from western US as 'habitat lost to

American Pika in Sierra Nevada - Optics4Birding Nature Blog

American pika disappears from large area of California's Sierra

Good News: Pikas Now Predicted to Persist

Map showing distribution of sites surveyed for American pika sign