Roosevelt's muntjac Roosevelt's muntjac A single specimen of the Roosevelt's muntjac or Roosevelt's barking deer ("Muntiacus rooseveltorum") was presented to the Field Museum in 1929 following the Kelley-Roosevelts expedition organized by Theodore (Jnr) and Kermit Roosevelt. The specimen is slightly smaller than the common muntjac and DNA testing has shown it to be distinct from recently discovered muntjac species. It is a subspecies of Fea's muntjac, whose home range is mountains further northwest separated by lower land. However, without further evidence, the exact position of Roosevelt's muntjac cannot be stated. Berlin Zoo supposedly held this species between 1961 and 1972 (following an
Reeves's muntjac species except where already established. Colonies exist throughout England south of Derbyshire, and the population continues to grow. In Ireland, sightings in 2008 caused the government, concerned at the risk of the species becoming established, to quickly introduce a year-round hunting season. In the 1960s, several specimens escaped from an exhibition zoo in the Bōsō Peninsula in eastern Japan. By 2017, their numbers had reached at least 60,000. It is considered a harmful invasive species and has inflicted severe damage to ashitaba plantations. Also, Reeves's muntjac escaped a zoo on Izu Ōshima in 1970 when a fence fell due to