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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.
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 mountain hare has also been introduced to Iceland, Shetland, Orkney, the Isle of Man, the Peak District, Svalbard, the Kerguelen Islands, the Crozet Islands, and the Faroe Islands. [5] [6] [7] In the Alps, the mountain hare lives at elevations from 700 to 3,800 m (2,300 to 12,500 ft), depending on geographic region and season. [8]
Notable animals include reindeer (caribou), musk ox, Arctic hare, Arctic fox, snowy owl, ptarmigan, northern red-backed voles, lemmings, the mosquito, [11] and even polar bears near the ocean. [10] [12] Tundra is largely devoid of poikilotherms such as frogs or lizards.
Base visibility in good snowshoe hare habitat ranges from 2% at 16.5 feet (5 m) distance to 0% at 66 feet (20 m). Travel cover is slightly more open, ranging from 14.7% visibility at 16.5 feet (5 m) to 2.6% at 66 feet (20 m). Areas with horizontal vegetation density of 40 to 100% at 50 feet (15 m) are adequate snowshoe hare habitat in Utah. [25]
The white-tailed jackrabbit is a large species of hare and is the largest species called "jackrabbit". (Two larger hares, the Arctic and Alaskan hares, are found further north in North America). This jackrabbit has an adult length of 56 to 65 cm (22 to 26 in), including a tail measuring 6.6 to 10.2 cm (2.6 to 4.0 in), and a weight between 2.5 ...
This page was last edited on 30 October 2021, at 07:57 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
One genus, Lepus, contains 32 species that are collectively referred to as hares; the other eight genera are generally referred to as rabbits, with the majority – 19 species – in Sylvilagus, or the cottontail rabbits. Over one hundred extinct Leporidae species have been discovered, though due to ongoing research and discoveries the exact ...