Foley, Patrick Roth, Tara Foley, Janet and Ray, Chris 2017. Rodent–Pika Parasite Spillover in Western North America. Journal of Medical Entomology, Vol. 54, Issue. 5, p. 1251.
Stewart, Joseph A. E. Wright, David H. Heckman, Katherine A. and Guralnick, Robert 2017. Apparent climate-mediated loss and fragmentation of core habitat of the American pika in the Northern Sierra Nevada, California, USA. PLOS ONE, Vol. 12, Issue. 8, p. e0181834.
Rodhouse, Thomas J. Hovland, Matthew and Jeffress, Mackenzie R. 2017. Variation in subsurface thermal characteristics of microrefuges used by range core and peripheral populations of the American pika (Ochotona princeps). Ecology and Evolution, Vol. 7, Issue. 5, p. 1514.
Mathewson, Paul D. Moyer-Horner, Lucas Beever, Erik A. Briscoe, Natalie J. Kearney, Michael Yahn, Jeremiah M. and Porter, Warren P. 2017. Mechanistic variables can enhance predictive models of endotherm distributions: the American pika under current, past, and future climates. Global Change Biology, Vol. 23, Issue. 3, p. 1048.
Waterhouse, Matthew D. Sjodin, Bryson Ray, Chris Erb, Liesl Wilkening, Jennifer and Russello, Michael A. 2017. Individual-based analysis of hair corticosterone reveals factors influencing chronic stress in the American pika. Ecology and Evolution, Vol. 7, Issue. 12, p. 4099.
Ray, Chris Beever, Erik A. and Rodhouse, Thomas J. 2016. Distribution of a climate-sensitive species at an interior range margin. Ecosphere, Vol. 7, Issue. 6, p. e01379.
Moyer-Horner, Lucas Beever, Erik A. Johnson, Douglas H. Biel, Mark Belt, Jami and Russo, Danilo 2016. Predictors of Current and Longer-Term Patterns of Abundance of American Pikas (Ochotona princeps) across a Leading-Edge Protected Area. PLOS ONE, Vol. 11, Issue. 11, p. e0167051.
Castillo, Jessica A. Epps, Clinton W. Jeffress, Mackenzie R. Ray, Chris Rodhouse, Thomas J. and Schwalm, Donelle 2016. Replicated landscape genetic and network analyses reveal wide variation in functional connectivity for American pikas. Ecological Applications, Vol. 26, Issue. 6, p. 1660.
Robson, Kelsey M. Lamb, Clayton T. and Russello, Michael A. 2016. Low genetic diversity, restricted dispersal, and elevation-specific patterns of population decline in American pikas in an atypical environment. Journal of Mammalogy, Vol. 97, Issue. 2, p. 464.
Wilkening, Jennifer L. and Ray, Chris 2016. Characterizing predictors of survival in the American pika (Ochotona princeps). Journal of Mammalogy, Vol. 97, Issue. 5, p. 1366.
Beever, Erik A. Perrine, John D. Rickman, Tom Flores, Mary Clark, John P. Waters, Cassie Weber, Shana S. Yardley, Braden Thoma, David Chesley-Preston, Tara Goehring, Kenneth E. Magnuson, Michael Nordensten, Nancy Nelson, Melissa and Collins, Gail H. 2016. Pika (Ochotona princeps) losses from two isolated regions reflect temperature and water balance, but reflect habitat area in a mainland region. Journal of Mammalogy, Vol. 97, Issue. 6, p. 1495.
Wilkening, Jennifer L. Ray, Chris and Varner, Johanna 2016. When can we measure stress noninvasively? Postdeposition effects on a fecal stress metric confound a multiregional assessment. Ecology and Evolution, Vol. 6, Issue. 2, p. 502.
Varner, Johanna Horns, Joshua J. Lambert, Mallory S. Westberg, Elizabeth Ruff, James S. Wolfenberger, Katelyn Beever, Erik A. and Dearing, M. Denise 2016. Plastic pikas: Behavioural flexibility in low-elevation pikas ( Ochotona princeps ). Behavioural Processes, Vol. 125, p. 63.
Wilkening, Jennifer L. Ray, Chris Ramsay, Nathan and Klingler, Kelly 2015. Alpine biodiversity and assisted migration: the case of the American pika (Ochotona princeps). Biodiversity, Vol. 16, Issue. 4, p. 224.
Moyer-Horner, Lucas Mathewson, Paul D. Jones, Gavin M. Kearney, Michael R. and Porter, Warren P. 2015. Modeling behavioral thermoregulation in a climate change sentinel. Ecology and Evolution, Vol. 5, Issue. 24, p. 5810.
Wilkening, Jennifer L. Ray, Chris Varner, Johanna and Bohrer, Gil 2015. Relating Sub-Surface Ice Features to Physiological Stress in a Climate Sensitive Mammal, the American Pika (Ochotona princeps). PLOS ONE, Vol. 10, Issue. 3, p. e0119327.
Bhattacharyya, Sabuj and Ray, Chris 2015. Of plants and pikas: evidence for a climate-mediated decline in forage and cache quality. Plant Ecology & Diversity, Vol. 8, Issue. 5-6, p. 781.
Stewart, Joseph A. E. Perrine, John D. Nichols, Lyle B. Thorne, James H. Millar, Constance I. Goehring, Kenneth E. Massing, Cody P. Wright, David H. and Riddle, Brett 2015. Revisiting the past to foretell the future: summer temperature and habitat area predict pika extirpations in California. Journal of Biogeography, Vol. 42, Issue. 5, p. 880.
Tufts, Danielle M. Natarajan, Chandrasekhar Revsbech, Inge G. Projecto-Garcia, Joana Hoffmann, Federico G. Weber, Roy E. Fago, Angela Moriyama, Hideaki and Storz, Jay F. 2015. Epistasis Constrains Mutational Pathways of Hemoglobin Adaptation in High-Altitude Pikas. Molecular Biology and Evolution, Vol. 32, Issue. 2, p. 287.
Russello, Michael A. Waterhouse, Matthew D. Etter, Paul D. and Johnson, Eric A. 2015. From promise to practice: pairing non-invasive sampling with genomics in conservation. PeerJ, Vol. 3, p. e1106.
Reevaluation of Quaternary sites of fossil pika (Ochotona) lends no support for the inference that Nearctic pikas were not restricted to rocky habitat. The saxicolous nature of all widespread, isolated populations of extant Nearctic pikas and their closest Palearctic sister taxa support consideration of O. princeps, and perhaps all Nearctic Quaternary Ochotona , as indicators of cool, mesic, rocky situations. As indicators of rocky microhabitat, fossil remains of O. princeps do not require that the entire region was cool and mesic, but only that suitable rocky microhabitat existed in the vicinity. Use of fossil pika dung alone as indicative of pikas in the immediate community is suspect, as the small, round, and buoyant pellets may be transported downslope by hydraulic flushing of talus habitat. Current local elevational lower limits (E) of appropriate habitat for paleoecological reconstruction at extralimital fossil sites are predicted by the equation: E(m) = 14087 - (56.6)°N - (82.9)°W.
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