The proboscis monkey (scientific name: Nasalis larvatus) is a unique animal in Kalimantan, Southeast Asia. It is the only species discovered that is not a ruminant but can regurgitate.The social groups of proboscis monkeys change much faster than those of most other primates. Every once in a while,...
The black leaf monkey, with a black body, upright crest on the top of the head, and only white cheeks and tail tip, is a national first-class protected animal. There are only about 2,000 black leaf monkeys in the world. Among them, there are 76 groups of about 730 black leaf monkeys in the Mayang Ri...