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Oligoryzomys longicaudatus, also known as the long-tailed colilargo [2] or long-tailed pygmy rice rat, [1] is a species of rodent in the genus Oligoryzomys of the family Cricetidae. It is found in the southern Andes of Chile and Argentina , with an outlying population in eastern Argentina.
A closeup of a rat tail. The characteristic long tail of most rodents is a feature that has been extensively studied in various rat species models, which suggest three primary functions of this structure: thermoregulation, [13] minor proprioception, and a nocifensive-mediated degloving response. [14]
Rattus norvegicus. Rodents are animals that gnaw with two continuously growing incisors.Forty percent of mammal species are rodents, and they inhabit every continent except Antarctica.
The brown rat (Rattus norvegicus), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat and Norwegian rat, is a widespread species of common rat. One of the largest muroids, it is a brown or grey rodent with a body length of up to 28 cm (11 in) long, and a tail slightly shorter than that. It weighs between 140 ...
The Long–Evans rat is an outbred rat developed by Long and Evans in 1915 by crossbreeding several Wistar females with a wild gray male. Long-Evans rats are white with a black hood, or occasionally white with a brown hood. They are utilized as a multipurpose model organism, frequently in behavioral research, especially in alcohol research ...
The earliest report of rat kings comes from 1564. [1] Most extant examples are formed from black rats (Rattus rattus). [2] Specimens of purported rat kings are kept in some museums. The museum Mauritianum in Altenburg, Thuringia, shows the largest well-known mummified "rat king", which was found in 1828 in a miller's fireplace at Buchheim.
The maned rat's body can grow up to 14 inches (360 mm) long, or 21 inches (530 mm) from head to tail. The coat consists of long, silver and black-tipped guard hairs over a dense, woolly, grey and white undercoat, with the face and limbs having short, black fur.
Bandicoots can reach 11 to 31 in (28 to 79 cm) in length, and 0.4 to 3.5 lb (0.18 to 1.6 kg) in weight. A bandicoot has a long, pointed snout, large ears, a short body, and a long tail. Its body is covered with fur that can be brown, black, golden, white, or grey in colour. Bandicoots have strong hind legs well adapted for jumping.