Pop Up: Celebes Crested Macaque (Macaca Nigra)
Celebes black macaques (also known as Yaki) are all black, with the exception of some white hair in the shoulder range. With a total body length of 45 to 60 cm and a weight of 7 to 10 kg, they are one of the smaller macaque species. It also has a short tail (only approximately 2 cm of stub), long hair that forms a pointed crest on the head, and high bony cheek ridges. Crested Black Macaque or the Black "Ape", is a smart monkey that lives in the northeast of Sulawesi as well as on smaller neighboring islands.
Celebes Crested Macaques are diurnal (active during daytime) rain-forest dwellers. They sleep and search for food in trees, but socialize and spend most of their time on the ground. They live in groups of 5 to 25 animals. Smaller groups have only a single male, while larger groups have up to four males. The females, however, always outnumber the males 4:1. Since young males must leave their birth group upon maturity, they sometimes form bachelor groups before they look for a connection to an existing mixed group. Communication consists of various sounds and gestures. For example, the presentation of the long eyeteeth while grimacing a clear threatening gesture.
These macaques live in family groups, usually led by a dominant female. In these groups, there are usually about three times as many females as males, and the females are permanent members of the groups, while the males will often switch from group to group. They are very social and will often spend much of the day grooming one another. Males are competitive, fighting with each other for dominance within the group.
Clearing of rain-forests and capturing as pets, represents distinct problems for this species. To protect this family, it is currently listed as endangered by the International Union for Conservation of Nature (IUCN).
Celebes Crested Macaques are diurnal (active during daytime) rain-forest dwellers. They sleep and search for food in trees, but socialize and spend most of their time on the ground. They live in groups of 5 to 25 animals. Smaller groups have only a single male, while larger groups have up to four males. The females, however, always outnumber the males 4:1. Since young males must leave their birth group upon maturity, they sometimes form bachelor groups before they look for a connection to an existing mixed group. Communication consists of various sounds and gestures. For example, the presentation of the long eyeteeth while grimacing a clear threatening gesture.
These macaques live in family groups, usually led by a dominant female. In these groups, there are usually about three times as many females as males, and the females are permanent members of the groups, while the males will often switch from group to group. They are very social and will often spend much of the day grooming one another. Males are competitive, fighting with each other for dominance within the group.
Clearing of rain-forests and capturing as pets, represents distinct problems for this species. To protect this family, it is currently listed as endangered by the International Union for Conservation of Nature (IUCN).
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