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Chevrotains, or mouse-deer, are diminutive, even-toed ungulates that make up the family Tragulidae, and are the only living members of the infraorder Tragulina. The 10 extant species are placed in three genera, [ 1 ] [ 2 ] but several species also are known only from fossils . [ 3 ]
Peromyscus is a genus of rodents.They are commonly referred to as deer mice or deermice, not to be confused with the chevrotain or "mouse deer". They are New World mice only distantly related to the common house and laboratory mouse, Mus musculus.
Compared to other Peromyscus species, cactus mice have a lower metabolism. This is thought to be an adaptation to arid environments, and maintained by lower activity of the thyroid gland. They may enter torpor when deprived of food in the winter, and food and/or water in the summer. Below 15 °C (59 °F), they enter torpor more slowly, which ...
It has an average tail length of about 5 cm (2.0 in). Mouse-deer are thought to be the most primitive ruminants based on their behaviour and the fossil record, thus they are the living link between ruminants and non-ruminants. [12] [11] The Java mouse-deer is endothermic and homoeothermic, and has an average basal metabolic rate of about 4.883 ...
The meat is considered a delicacy on the islands, and the skin is also used to make leather. Although no true estimates of the Philippine mouse-deer population have been made to date, they are assumed to be declining in numbers. Hunters have commented that the mouse-deer is becoming harder to find. The biggest reason for decline is habitat loss ...
The greater mouse-deer is an even-toed ungulate. Although very small for an ungulate, the greater mouse-deer is one of the largest members of its genus. It is rivalled in size by Williamson's mouse-deer. It weighs 5 to 8 kg (11 to 18 lb). Its head-and-body length is 70 to 75 cm (2.30 to 2.46 ft) and its tail length is 8 to 10 cm (3.1 to 3.9 in).
A prominent silver line runs down the back, hence the name "silver-backed". The neck and shoulders are more brown with less dense fur; unlike the lesser mouse-deer the fur on the neck is coarser and less prickly. The Vietnam mouse-deer lacks the dark markings along the flanks and the middle portion of the underparts visible in the lesser mouse ...
The Alpine musk deer is a small deer (40–60 cm tall) with long upper canines that do not hide within the mouth. It is named for having an externally visible musk sac between male testes. Its fangs grow during mating season and are used for sparring with other males. [7] Alpine musk deer have a larger body size compared to other musk deer. [8]