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  1. Thermal components of American pika habitat—How does a small lagomorph encounter climate?

    Anticipating the response of small mammals to climate change requires knowledge of thermal conditions of their habitat during times of the day and year when individuals use them. We measured diurnal and seasonal temperatures of free air and of six habitat components for American pikas (Ochotona princeps) over five years at 37 sites in seven...

    Author(s):
    Connie Millar; Bob Westfall; Diane L. Delany
    Year:
    2016
    Keywords:
    pika, American pika, Ochotona princeps
    Source:
    Arctic, Antarctic, and Alpine Research. 48(2):327–343

  2. Distribution and Climatic Relationships of the American Pika (Ochotona princeps) in the Sierra Nevada and Western Great Basin, U.S.A.; Periglacial Landforms as Refugia in Warming Climates

    We used a rapid assessment to survey American pika (Ochotona princeps) populations and documented 420 pika site occurrences in southwestern U.S.A. These included 329 sites from the Sierra Nevada (SN), California; 67 from six southwestern Great Basin (swGB) ranges, California and Nevada; 16 from three central Great Basin ranges, Nevada; and 8 from...

    Author(s):
    Constance I. Millar; Robert D. Westfall
    Year:
    2010
    Keywords:
    Source:
    Arctic, Antarctic, and Alpine Research Vol. 42(1): 76-88

  3. New records of marginal locations for American pika (Ochotona princeps) in the Western Great Basin

    We describe 46 new site records documenting occupancy by American pika (Ochotona princeps) at 21 locations from 8 mountain regions in the western Great Basin, California, and Nevada. These locations comprise a subset of sites selected from regional surveys to represent marginal, isolated, or otherwise atypical pika locations, and to provide...

    Author(s):
    Constance I. Millar; Robert D. Westfall; Diane L. Delany
    Year:
    2013
    Keywords:
    Source:
    Western North American Naturalist 73(4):457-476
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https://www.fs.usda.gov/treesearch/search?keywords=%22American%20pika%22&f%5B0%5D=year%3A%222010%22&f%5B1%5D=year%3A%222016%22&f%5B2%5D=author_facet%3A%22Westfall%2C%20Robert%22&f%5B3%5D=year%3A%222013%22