Big white macaque
The big white macaque is one of the oldest monkeys of Old World monkeys. It is a genus of genus monkeys belonging to the blue monkey family, which is native to West Africa, and some live in rainforests but are often found in the transition zone between rainforests and savannas. It is a tree-shaped animal that lives mainly on trees, and often lives with other species. This monkey's nickname is derived from the prominent white coccyx. The big white macaques are formed by collecting a group of males, several females and their cubs. Recently, there have been some studies on their behavior, Communicate intensively. Males use three kinds of sound signals, which are called "boom", "poo" and "nuclear". It uses various meanings including warning sound. As in some other monkeys, the acoustic structure of the big white macaque warning sound is controversial as to what kind of beasts are different.