Table 2.
Minimum and maximum elevations of observed old and recent American pika Ochotona princeps sign, Sheldon National Wildlife Refuge, Nevada, and Hart Mountain National Antelope Refuge, Oregon, 2009–2011.
Minimum and maximum elevations of observed old and recent American pika Ochotona princeps sign, Sheldon National Wildlife Refuge, Nevada, and Hart Mountain National Antelope Refuge, Oregon, 2009–2011.