Ochotona princeps

(redirected from American Pika)
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Synonyms for Ochotona princeps

References in periodicals archive ?
Two pika species, the American pika, Ochotona princeps (Richardson, 1828), and collared pika, O.
Extensive sampling of American pika populations provides an opportunity to assess demographic trends for a diverse array of parasites associated with a single host species.
In particular, both LGM reconstructions suggest a relatively high degree of connectivity between the CR, NRM, and CU host lineages, establishing a potential dispersal corridor across the northern and eastern portions of the American pika's distribution.
A relative of the rabbit, the American pika is particularly sensitive to changes in climate.
The parameter estimation procedures were also applied to two empirical data sets, one on the American pika (Ochotona princeps) and the other on the false heath fritillary butterfly (Melitaea diamina).
The first empirical example is the American pika. This metapopulation is an excellent example of a classical mammalian metapopulation (Moilanen et al.
Long-term dynamics in a metapopulation of the American pika. American Naturalist 152:530-542.
According to Jim Patton, a retired University of California Berkeley zoology professor, the tiny gray mammal's movement represents the greatest upward "retraction" of any high major-elevation species, which include the golden-mantled ground squirrel, the Belding ground squirrel, the water shrew, the bushy-tailed woodrat and the American pika. Among low major-elevation species that have expanded upwards (that is, broadened territory instead of leaving part of it behind) are the big-eared woodrat, the pinyon mouse and several others.
I tested the toxin-reduction and enhanced preservation hypotheses with the North American pika (Ochotona princeps: Lagomorpha).
Factors governing diet selection in a herbivorous mammal, the North American pika, Ochotona princeps.
Effects of Acomastylis rossii tannins on a mammalian herbivore, the North American pika, Ochotona princeps.
The researchers also found that species with higher latitudinal and elevation ranges, like polar bears, American pikas and shadow chipmunks, were more likely to respond to climate change than mammals living lower in latitude and elevation.
American pikas have been extirpated from some of their previously occupied sites in the West, as have shadow chipmunks, which are in decline in California's Yosemite National Park.
Related to rabbits, American pikas (Ochotona princeps) live in rocky, high-elevation habitats in the western mountains of North America.
North American pikas (Ochotona princeps), small mammals belonging to the Order Lagomorpha, inhabit rocky, talus slopes above the tree line throughout western North America.
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