Nicobar long-tailed macaque Nicobar long-tailed macaque The Nicobar long-tailed macaque ("Macaca fascicularis umbrosa", popularly known as the Nicobar monkey) is a subspecies of the crab-eating macaque ("M. fascicularis"), endemic to the Nicobar Islands in the Bay of Bengal. This primate is found on three of the Nicobar Islands—Great Nicobar, Little Nicobar and Katchal—in biome regions consisting of tropical and subtropical moist broadleaf forests. The Nicobar long-tailed macaque has brownish to grey fur, with lighter colouration on its undersides. Its face is pinkish-brown, with white colour spots on its eyelids. Infants are born with a dark natal coating, which lightens as they reach maturity,
White-cheeked macaque not yet been determined, it is likely threatened by poaching, deforestation, and increased human development of its habitat, much like the other primates which inhabit the area. The white-cheeked macaque was discovered and described in 2015, making it one of the most recently discovered mammals and one of the most recently discovered primates. While specimens of the creature had been observed and known for many years prior, they were believed to be members of the species "Macaca assamensis", the Assam macaque. After footage captured on a series camera traps in Tibet revealed numerous physical differences between the Assam macaque and