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.
But some species, especially those on mountains such as the
American pika, run out of room to move and may die off because there's no place to escape the heat, Urban said.
The 90 miles of hiking trails in the park offer warmth through motion, and on my walk I hope to see an
American pika, a small mammal related to a rabbit, with teacup-like ears.
Fish and Wildlife Service recently declined to list it as endangered or threatened, the
American pika remains an excellent example.
The
American pika, a small rabbit-like animal, can be seen and heard in rocky talus slopes at higher elevations in the Cascade Mountains.
Pika Protection In May, the
American pika became the first mammal in the continental United States to be considered for protection under the Endangered Species Act due to climate change.
Revised parameter estimates are obtained for two species living in well-studied metapopulations: the
American pika (Ochotona princeps) at Bodie, California, and the false heath fritillary butterfly (Melitaea diamina) in the Tampere region in Finland.
That furry creature was a North
American pika (PIE-kuh) - a relative of rabbits and hares.
Further research revealed that both the Tibetan antelope and the highland
American pika have signals of positive selection for genes involved in DNA repair and the production of ATPase.
Ochotona princeps - North American pika