The phylogeographic predictions of the strict cospeciation and episodic host-switching models were tested using the North American pika/parasite assemblage, with a primary focus on the American pika, Ochotona princeps (Richardson, 1828), and a suite of its endoparasitic cestodes and nematodes.
Key words: comparative phylogeography, co-evolution, host-switching, historical demography, Ochotona princeps, Pleistocene
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.
Seasonal changes in activity patterns and the adaptive value of haying in pikas (Ochotona princeps).
Kleptoparasitism in pikas (Ochotona princeps): Theft of hay.
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.
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. Dissertation.
Ochotona princeps - North American pika