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Rabbits and hares have large front teeth, short tails, and large hind legs and feet adapted for running or jumping. In most, the length of the ears is considerably greater than the width. Although usage varies, the term rabbit generally refers to small, running animals, with relatively short ears and legs, which give birth to blind, naked young, while hare refers to larger, hopping forms, with longer ears and legs, whose young are born furred and open-eyed. Rabbits are chiefly nocturnal, although they are sometimes seen in the daytime. They feed on a wide variety of vegetation and are responsible in many areas for the stunted nature of the ground cover. When feeding on green herbage, rabbits, like hares, excrete soft pellets which they reingest; Wild rabbits are frequently infected with 18 tularemia, which is dangerous to humans. All domestic rabbits, including the so-called Belgian hare, belong to this species. They have soft, thick fur, usually grayish brown above and white below. The tail is usually carried upright when the animal runs, exposing the white undersurface. Common rabbits live in elaborate systems of adjoining burrows called warrens. The young are suckled in a special burrow, dug by the mother at a distance from the warren and lined with a nest of her own fur. The entrance to this burrow is plugged with earth when she is away. Domestic rabbits, which may be various colors but are commonly white, are bred for food and for their fur, which is much used in making fur trim and felt. They are also frequently used as laboratory animals and are kept as pets. These rabbits do not burrow, although in winter they may shelter in a burrow abandoned by another animal. They usually rest, like hares, in hollows which they make in the ground or in vegetation. The many North American species called 20 jackrabbit are actually hares, as is the snowshoe rabbit, or 21 varying hare. There are several species of short-eared rabbits in Asia and one, the volcano rabbit, or Mexican pygmy rabbit (Romerolagus diazi), in central Mexico, where it is in danger of extinction. In most regions its numbers are kept down by its many predators, such as the fox, the badger, and birds of prey. However, when domestic rabbits escaped in Australia, where they had few natural enemies, they ran rampant and stripped the countryside of vegetation in many regions. They were brought partially under control by the artificial introduction of a viral disease, myxomatosis. Search Amazon: GO Click 32 here to shop the 33 Bartleby Bookstore.
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