Chalchalero vizcacha rat
| Chalchalero vizcacha rat | |
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| Scientific classification | |
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Salinoctomys
Mares, Braun, Barquez & Diaz, 2000
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| Species: |
S. loschalchalerosorum
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| Binomial name | |
| Salinoctomys loschalchalerosorum Mares, Braun, Barquez & Diaz, 2000
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The Chalchalero vizcacha rat (Salinoctomys loschalchalerosorum) is a species of caviomorph rodent in the family Octodontidae.[2] It is monotypic within the genus Salinoctomys. The species is endemic to a small area of northwestern Argentina, where it lives in shrublands bordering the salt flats of the Salinas Grandes.[1] Its diet consists of halophyte plants.[1] It is named after an Argentine musical group, Los Chalchaleros, whose songs were popular with its discoverers.[3]
Description
The Chalchalero vizcacha rat is a medium-sized species of rat. Its dorsal fur is dark brownish black while its underparts are white. The hairs on its back are about 2 centimetres (0.8 in) long and have a grey base, a brown band and a black tip, and the guard hairs are a uniform darkish brown. This vizcacha rat reaches a head-and-body length of 14 to 16 centimetres (5.5 to 6.3 in) with a tail length of 11 to 12 centimetres (4.3 to 4.7 in). The tail is relatively long, clad with hair along its entire length and ends with a black tassel. The soles of the feet have six pads, and there is a fringe of hairs around the feet.[4]
Status
S. loschalchalerosorum is only found within an area totalling less than 100 square kilometres (39 sq mi) and it actually occupies only about one tenth of that area. It lives among the salt-loving plants that grow between the salt pans and the dense thorn scrub typical of the surrounding area. Its population is decreasing and the International Union for Conservation of Nature has rated its conservation status as "critically endangered".[1]
