Mountain hare lives at elevations from 700 to 3800 m, depending on biographic region and season. The mountain hare is a large species, though it is slightly smaller than the European hare. It grows to a length of , with a tail of , and a mass of , females being slightly heavier than males. In summer, for all populations of mountain hares, the coat is various shades of brown. In preparation for winter most populations moult into a white (or largely white) pelage. The tail remains completely white all year round, distinguishing the mountain hare from the European hare ("Lepus europaeus"),
Pygmy rabbit Pygmy rabbit The pygmy rabbit ("Brachylagus idahoensis") is a North American rabbit, and is one of only two rabbit species in America to dig its own burrow . The pygmy rabbit differs significantly from species within either the "Lepus" (hare) or "Sylvilagus" (cottontail) genera and is generally considered to be within the monotypic genus Brachylagus. One isolated population, the Columbia Basin pygmy rabbit, is listed as an endangered species by the U.S. Federal government, though the International Union for Conservation of Nature lists the species as lower risk. The pygmy rabbit is the world's smallest leporid, with mean adult weights