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.
Celebes crested macaque at the top of the head are remarkable features. It has an "apelike" appearance due to its almost non-existent, non-visible, vestigial tail stub of only approximately . With a total body length of to and a weight of to , it is one of the smaller macaque species. Its life expectancy is estimated at approximately 20 years in the wild. The Celebes crested macaque is a diurnal rain forest dweller. This macaque is primarily terrestrial, spending more than 60% of its day on the ground foraging for food and socializing, while sleeping and searching for food in the trees. The