White-tailed mouse, Mystromyinae
The white-tailed rat (Mystromys albicaudatus ) also known as the white-tailed mouse, is the only member of the subfamily Mystromyinae in the family Nesomyidae. This species is sometimes placed in the subfamily Cricetinae due to similarities in appearance between the white-tailed rat and hamsters, but molecular phylogenetic studies have confirmed that the two groups are not closely related. The subfamily Mystromyinae is sometimes placed within the family Muridae along with all other subfamilies of muroids.
The white-tailed rat is restricted to shrubby areas and grasslands of South Africa and Lesotho. This is an uncommon species, and populations are thought to be declining because of conversion of scrubland to pasture. The International Union for Conservation of Nature has rated it as being an "endangered species".
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NocturnalNocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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OmnivoreAn omnivore is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and ani...
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ZoochoryZoochory animals are those that can disperse plant seeds in several ways. Seeds can be transported on the outside of vertebrate animals (mostly mam...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
A burrow is a hole or tunnel excavated into the ground by an animal to create a space suitable for habitation, temporary refuge, or as a byproduct ...
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MonogamyMonogamy is a form of relationship in which both the male and the female has only one partner. This pair may cohabitate in an area or territory for...
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starts withThe white-tailed rat is a fairly large species with a head-and-body length of 163 mm (6.4 in) for males and 144 mm (5.7 in) for females, with a short tail of about 60 mm (2.4 in). The fur is soft, woolly and dense. The head is broad, and the face is mostly grey, with pale spots above the eye and behind the ear in some individuals. The whiskers are long and the ear is rounded and dark-coloured. The upper parts of head and body are greyish-brown flecked with buff; each hair has a grey base and shaft, and a buff or blackish tip. The underparts are whitish-grey, each individual hair having a grey base and shaft and a cream or whitish tip. The tail is colourless and is clad in short white fur. The fore feet have four digits and the hind feet five. The upper surfaces of the fore feet have white hair, as do the sides and upper surfaces of the hind feet.
The white-tailed rat is endemic to South Africa and Lesotho where it is found in grasslands and shrubby areas. It tends to inhabit burrows of meerkats and cracks in the soil during the day and venture out at night. It eats vegetable matter such as seeds and has been known to take insects. The stomach has a ruminant-like digestive action and there are bacteria in the hind gut that ferment the food. Unlike hamsters, white-tailed rats do not have cheek pouches.
