Muntjac discovery of several new species. The Indian muntjac ("M. muntjak") is the mammal with the lowest recorded chromosome number: The male has a diploid number of 7, the female only 6 chromosomes. Reeves's muntjac ("M. reevesi"), in comparison, has a diploid number of 46 chromosomes. The genus "Muntiacus" has 12 recognized species: Muntjac Muntjacs, also known as barking deer and Mastreani deer, are small deer of the genus "Muntiacus". Muntjacs are thought to have begun appearing 15–35 million years ago, with remains found in Miocene deposits in France, Germany and Poland. It is listed as Least Concern by the IUCN.
Reeves's muntjac a typhoon. A muntjac eradication effort on Izu Ōshima was undertaken in 2007–2014 but failed, and as of 2014, at least 11,000 individuals exist and have a yearly population growth rate of 15%. This failure has been blamed on inadequate survey methods that underestimated the population of the nocturnal species. In Hong Kong, Reeve's muntjac is a protected species under the Wild Animals Protection Ordinance Cap 170. It is listed as Least Concern by the IUCN due to being generally common and widespread. The tanned skin of Reeves's muntjac is notable for its softness and is occasionally used in beauty-care