Range contractions in the Great Basin over the last century suggest American Pikas (Ochotona
princeps) might be highly sensitive to climate change.
Key words: comparative phylogeography, co-evolution, host-switching, historical demography, Ochotona
Foggin, "The plateau pika (Ochotona
curzoniae) is a keystone species for biodiversity on the Tibetan plateau," Animal Conservation, vol.
ferrilata) closely followed the movements of a brown bear (Ursus arctos) that was excavating pikas (Ochotona
curzoniae; Harris and Loggers 2004).
Comparative anatomical and neurohistological observations on the tongue of Japanese pika (Ochotona
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.
) are also typical animals of screes and nest between the stones of the rock debris in the mountains of Asia and North America.
Expression of Ldh-c (sperm-specific sactate dehydrogenase gene) in skeletal muscle of plateau pika, Ochotona
curzoniae, and its effect on anaerobic glycolysis.
flying squirrel (Glaucomys salmnus) 1 Unknown Sciuridae 5 Muridae 1 1% 8 9% Erethizontidae 1 1% Porcupine (Erithizon dorsatum) 1 Unknown Rodentia 4 5% Leporidae 2 3% Snowshoe hare (Lepus americanus) 2 Ochotonidae 2 3% 2 2% Pika (Ochotona
princeps) 2 2 Phasianidae 3 4% Corvidae 1 1% 1 1% Canidae Mustelidae 1 1% Summer Fobs (n = 24) Scat (n = 10) Family/Species No.
Inferring divergence times within pikas (Ochotona
) using mtDNA and relaxed molecular dating techniques.
The mammal fauna of the area includes the collared pika Ochotona
rufescens the migratory hamster Cricetulus migratorius
Royle's pika Ochotona
roylei and other small mammals (mainly voles) were frequently detected in the scats, as were bird feathers and occasionally also egg shells.
When yak, sheep, and horse grazing lowers the height of vegetation, Ochotona
curzoniae, a very susceptible host for E.
I am using a combination of descriptive and experimental methodologies, combined with modelling techniques, to increase our understanding of plant-herbivore interactions and their influence on herbivore population dynamics, using the collared pika (Ochotona
collaris) as a model species.