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The Arctic hare [2] (Lepus arcticus) is a species of hare highly adapted to living in the Arctic tundra and other icy biomes. The Arctic hare survives with shortened ears and limbs, a small nose, fat that makes up close to 20% of its body, and a thick coat of fur. It usually digs holes in the ground or under the snow to keep warm and to sleep.
Arctic Hare These snowy white animals live in Greenland, the Canadian Arctic Islands and in Northern Canada. They are also extremely fast and can run at speeds of 45 mph.
The gestation period in leporids varies from around 28 to 50 days, and is generally longer in the hares. This is in part because young hares (called leverets) are born precocial (eyes and ears open, fully furred), while young rabbits (called kits) are born altricial (eyes and ears closed, no fur). [ 2 ]
Arctic hare. The lagomorphs comprise two families, Leporidae (hares and rabbits), and Ochotonidae . Though they can resemble rodents, and were classified as a superfamily in that order until the early 20th century, they have since been considered a separate order. They differ from rodents in a number of physical characteristics, such as having ...
European hare (above) compared with a mountain hare Stuffed mountain hare, showing the winter pelage The mountain hare is a large species, though it is slightly smaller than the European hare . It grows to a length of 45–65 cm (18–26 in), with a tail of 4–8 cm ( 1 + 1 ⁄ 2 –3 in), and a mass of 2–5.3 kg ( 4 + 1 ⁄ 2 – 11 + 3 ⁄ 4 ...
Like other jackrabbits, the black-tailed jackrabbit has distinctive long ears, and the long powerful rear legs characteristic of hares.Reaching a length about 2 ft (61 cm), and a weight from 3 to 6 lb (1.4 to 2.7 kg), the black-tailed jackrabbit is the third-largest North American jackrabbit, after the antelope jackrabbit and the white-tailed jackrabbit.
The Alaskan hare's ears are fairly short, compared to other hares. [3] This is thought to be an evolutionary adaptation in order to conserve heat throughout the colder months. A hare’s ears play an important role in thermoregulation. In the summer, Alaskan hares have a brown fur coat with white underparts.
The Arctic willow is a food source for several Arctic animals. Muskoxen, caribou, Arctic hares, and lemmings all feed on the bark and twigs, while the buds are the main food source of the rock ptarmigan. It is the primary host plant and food source for the Arctic woolly bear moth (Gynaephora groenlandica). [10]