They may also help with the dispersal of seeds of certain plants, through transportation, or by eating the fruit. Currently, the Eastern chimpanzee is classified as Endangered (EN) on the IUCN Red List, and its numbers today are decreasing.Īs predators, chimpanzees may control the populations of their prey species. However, there are estimated populations of this subspecies in the following areas: 173,000-248,000 individuals in DRC around 5,000 individuals in western Uganda around 400 individuals in Rwanda and less than 2,500 individuals in Tanzania. The IUCN Red List and other sources don’t provide the number of the Eastern chimpanzee total population size. Other threats to Eastern chimpanzees include artisanal mining and changes in climate. If not properly managed, research and tourism also present a risk of disease transmission between humans and chimpanzees. Because chimpanzees and humans are physiologically very similar, chimpanzees succumb to many diseases that afflict humans. Females at 13 years of age are thought to be ready to reproduce, while males reach reproductive maturity at about 16 years old.Įastern chimpanzees are threatened mainly by hunting and loss of habitat. chimpanzee, (Pan troglodytes), species of ape that, along with the bonobo, is most closely related to humans.Chimpanzees inhabit tropical forests and savannas of equatorial Africa from Senegal in the west to Lake Albert and northwestern Tanzania in the east. Playing with other young chimpanzees allows them to practice grooming as well as wrestling skills. They learn survival skills by observing their mother to find out what to eat, how to build nests, and make tools. They are weaned at the age of 4 to 6 years. The virus is even more deadly for other great apes as it is for humans, with mortality rates approximately 95 for gorillas and 77 for chimpanzees (Pan troglodytes). At two years old, young chimpanzees are able to sit independently and move about. The mother and her baby remain in continual contact during their first year. Gestation lasts for about 8 months and then a single infant is born. There is no clear breeding season for chimpanzees, and mating can take place at any time of the year, with babies born in any season. In addition, females sometimes leave their community and mate with males from neighboring communities. A male and female can form a consortship and mate outside their community. Generally, chimpanzees have a polygynandrous (promiscuous) mating system in which males and females mate with several mates in their community. Little is known about the reproductive habits of Eastern chimpanzees.
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