Arunachal macaque Arunachal macaque The Arunachal macaque ("Macaca munzala"), a relatively large brown primate with a comparatively short tail, is a macaque native to Arunachal Pradesh in northeastern India. Its species name comes from "munzala" ("monkey of the deep forest") as it was called by the Dirang Monpa tribe. It was discovered as a new taxon in 1997 by the noted Indian primatologist Anwaruddin Choudhury, but he thought it to be a new subspecies of Tibetan (or Père David's) macaque. It was described as a new species in 2004, when a group of scientists from the Nature Conservation Foundation, India reported it.
Northern pig-tailed macaque Northern pig-tailed macaque The northern pig-tailed macaque ("Macaca leonina") is a species of primate in the family Cercopithecidae. It is found in Bangladesh, Cambodia, China, India, Laos, Myanmar, Thailand, and Vietnam. Traditionally the northern pig-tailed macaque was considered a subspecies of the southern pig-tailed macaque, however they are now classified as individual species. In India, it is found in south of the Brahmaputra River, in the northeastern part of the country. Its range in India extends from Assam and Meghalaya to eastern Aruanchal Pradesh, Nagaland, Manipur, Mizoram and Tripura. A detailed report on the ecology and behaviour of northern pig-tailed