The Aplodontidae includes a single genus and species, the mountain beaver Aplodontia rufa. Aplodontia are restricted in distribution to the Pacific northwest of North America, from central California to southern British Colombia. Mountain beavers are medium sized rodents, weighing up to about 1.5 kg. Their bodies are heavyset and covered with reddish or grayish brown fur. Aplodontia have short tails and limbs, and both the fore feet and hind feet have five digits. All Aplodontidae belong to the Rodentia.
ITEMS in the Family: Aplodontidae