The most recognized physical gesture is chest-beating, which is usually the result of a threat or challenge by another male. Dominant males also use a strong odor to communicate with other groups and maintain contact with his own troop.
Females start to breed around 10 years of age, while males do not start to breed before years due to competition. Lowland gorillas have a gestation period of about — days, after which they give birth to a single young. Their small, scattered populations are threatened by increasing human development that causes direct predation and habitat loss. Habitat destruction due to agriculture and logging has opened up forests previously inaccessible to humans.
Consequently, gorillas are often hunted for bushmeat, body parts, and illegal pet trade. The Ebola virus is also a major threat and has the potential to eliminate the largest remaining populations of Western lowland gorillas.
The zoo welcomed the birth of a male gorilla in The Zoo is also partnered with the Dian Fossey Gorilla Fund to provide scholarships for conservation students working in their communities in Africa. Western Lowland Gorilla. Gorilla gorilla gorilla. At the Zoo You can find the gorillas at the Jones Family Gorilla Preserve , a naturalistic exhibit featuring climbing rocks, tall trees and grass.
Fascinating Facts The closest relatives of gorillas are chimpanzees and humans, all of whom diverged from a common ancestor about 7 million years ago. Originally named the Fleishhacker Zoo after its founder - banker and San Francisco Parks Commission president Herbert Fleishhacker - planning for construction began in Most of the original exhibits were populated with animals transferred from Golden Gate Park, including two zebras, a cape buffalo, five rhesus monkeys, two spider monkeys and three elephants.
Today it includes a Gorilla Reserve, housing gorillas the birthplace of Koko the famous signing gorilla , and a Primate Discovery Forest containing chimpanzees , macaques, mandrills and several species of monkey. Scientist Dr. Will Rodman secretly took his three-year-old chimpanzee surrogate son, Caesar , to the San Francisco Zoo primatologist Dr.
Caroline Aranha for medical attention after an incident with their violent neighbor Douglas Hunsiker. This is where, Caesar had first encountered the chimpanzees held in the zoo's enclosure and met his future adoptive human mother. The chimpanzees having witnessed Caesar shrieked out of jealousy that Caesar was living free outside bars.
There was a female Zoo Guide who also worked as another employee at the zoo. Five years later, Caesar now leading a mass breakout of genetically altered apes from the San Bruno Primate Shelter and Gen-Sys Laboratories , had his gorilla friend Buck lead a band of apes and break into the San Francisco Zoo. This act not only terrified the people there but liberated countless apes such as chimpanzees , gorillas and orangutans greatly increasing the ape army's numbers as well proving themselves to a be a more powerful threat to humanity.
When liberating the captive apes, the evolved apes used the bars on their cages as spears like weapons against the humans and they fled the zoo with their new brethren. Caesar then tried to bring all the apes to freedom at the Muir Woods Park redwood forest which laid across the Golden Gate Bridge. Seeing only rampaging wild animals, the San Francisco authorities tried to corral the apes on the bridge and massacre them.
Juvenile males will remain with the birth group, while females will leave to join another group by the time they reach sexual maturity. Chimpanzees are listed as endangered by the IUCN. Populations have been reduced due to habitat loss, hunting for bushmeat and collection for animal trade. In , the USDI classified this species as threatened which resulted in regulations reducing legal importation to the U.
They were reclassified as endangered in the wild in , which strengthens regulations covering animals in captivity. Although chimpanzees are the most abundant and widespread of the apes, with many populations in protected areas, the declines that have occurred are expected to continue unless significant progress is made toward conservation.
Pan troglodytes. At the Zoo In , we introduced four new chimpanzees two males and two females transferred from other zoos to be a part of our existing and long-time chimpanzee group as recommended by the Chimpanzee Species Survival Plan SSP Management Group, which oversees chimpanzees living in AZA accredited zoological parks.
Fascinating Facts These adaptable animals are known for making and using simple tools, such as twigs for eating termites and rocks for cracking nuts. Chimpanzees, and their cousins the bonobos, are more closely related genetically to us — sharing Physical Characteristics The hair of these tree-dwelling animals is long and coarse, usually dark brown or black. Lifespan in the wild is about 50 years, and up to 60 years under human care.
Social Behavior Chimpanzees are highly intelligent and live in complex social groups. What can you do to help chimps?
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