At dawn and dusk in the mountainous regions of the western United States, the Mountain Cottontail forages for sagebrush, western juniper, and grasses, almost always close to cover. As befits a rabbit that lives where it gets very cold, its feet are covered with long, dense hair, and its rather short ears are furry inside. Learn more about the Sylvilagus nuttallii, more commonly known as a Mountain Cottontail, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.