The social system of pikas varies considerably among species, ranging from solitary individuals to large, gregarious colonies. |
One group of species that are affected by a short growing season are talus-dwelling pikas. |
The ermine's diet consists primarily of mice, but they also prey upon cottontails, small hares, porcupines, squirrels, pikas, and rats. |
In Russia, its prey includes rodents and lagomorphs such as European water voles, common hamsters, pikas, and others, which it overpowers in their burrows. |
Mexico's volcano rabbit, a small, primitive species of lagomorph that forms a sort of biological bridge between pikas and hares, is still being hunted for food by farmers. |
The original steppe was host to a myriad of species, including many small mammals such as susliks, pikas and voles, that are staple prey for sakers. |