Reeves's muntjac (Muntiacus reevesi; Chinese: 山羌) is a muntjac species found widely in southeastern China (Gansu to Yunnan) and in Taiwan. It has also been introduced in Belgium, the Netherlands, the United Kingdom (south England, the Midlands, and east Wales) and Ireland by 2008. It feeds on herbs, blossoms, succulent shoots, grasses and nuts, and was also reported to eat trees. It takes its name from John Reeves, who was appointed Assistant Inspector of Tea for the British East India Company in 1812.
This muntjac grows to 0.5 metres (1 ft 8 in) high at the shoulder, 0.95 m (3 ft 1 in) in length, and weighs between 10 and 18 kilograms (22 and 40 lb) when fully grown. It is dog-like in appearance but has striped markings on its face. The male has short antlers, usually four inches or less, and uses them to push enemies off balance so he can wound them with his upper two inch canine teeth. The Taiwanese subspecies (M. r. micrurus), commonly known as the Formosan Reeves' Muntjac, is relatively dark compared to the other subspecies. Like other muntjacs, Reeves's muntjac may also be called the barking deer, for its distinctive bark.
Muntjac does become sexually mature within the first year of life. Mating occurs throughout the year. Gestation period lasts from 209 to 220 days. Females limit the number of mating bouts, though time between successive bouts is determined by males (known as "bucks").
In the United Kingdom
An unspecified species of muntjac was introduced to the grounds of Woburn Abbey in Bedfordshire in the nineteenth century by the then Duke of Bedford. While a small number are reported as escaping, it is extremely unlikely that they are the source of the current UK population. Larger numbers of muntjac escaped from Whipsnade Zoo, and they are the more likely ancestors, in addition to other releases.
Since the Wildlife and Countryside Act 1981, it has been illegal to release the species except where already established. Reeves's muntjac colonies exist throughout England south of Derbyshire, and the population continues to grow. In Ireland, the first sightings of muntjac in 2008 caused the Government, concerned at the risk of the species becoming established, to quickly introduce an all year round hunting season.
In the 1960s, several specimens escaped from an exhibition zoo in the Bōsō Peninsula in eastern Japan. By 2017, numbers had reached at least 60000; it is considered a harmful invasive species, and has inflicted severe damage to the ashitaba plantations. Some specimens also escaped from a zoo on Izu Ōshima in 1970.
In Hong Kong, it is a protected species under Wild Animals Protection Ordinance Cap 170. Overall though it generally remains common and widespread, resulting in it being listed as Least Concern by the IUCN.
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- Invasive species of Japan Muntiacus reevesi