How much do you know about Mars? How about energy? Think it’ll be easier if you have to pick only true or false? Find out what you know about science with this challenging quiz. gorilla), which are more of a deep gray-brown. beringei), which are jet black, than in western gorillas ( G. This saddle is much more conspicuous in eastern gorillas ( G. Adult males have a prominent crest on top of the skull and a “saddle” of gray or silver hairs on the lower part of the back-hence the term silverback, which is commonly used to refer to mature males. beringei beringei is longer than that of the other three subspecies. Gorillas lack hair on the face, hands, and feet, and the chest of old males is bare. A wild adult female typically is about 1.5 metres tall and weighs about 70–90 kg. Captive gorillas of both sexes may grow quite fat and hence become much heavier. Males are about twice as heavy as females and may attain a height of about 1.7 metres (5.5 feet) and weight (in the wild) of 135–220 kg (300–485 pounds). Adults have long, muscular arms that are 15–20 percent longer than the stocky legs. The face has large nostrils, small ears, and prominent brow ridges. The gorilla is robust and powerful, with an extremely thick, strong chest and a protruding abdomen. beringei beringei), found in the montane rainforests and bamboo forests of the highland terrain north and east of Lake Kivu, near the borders of Uganda, Rwanda, and Congo (Kinshasa). beringei graueri), of the lowland rainforests of the eastern Democratic Republic of the Congo (Kinshasa), and the mountain gorilla ( G. beringei) is also made up of two subspecies: the eastern lowland, or Grauer’s, gorilla ( G. gorilla diehli), which inhabits a small forested region along the Cross River separating Nigeria from Cameroon. gorilla gorilla), which inhabits the lowland rainforests from Cameroon to the Congo River, and the Cross River gorilla ( G. The western gorilla ( Gorilla gorilla) is made up of two subspecies: the western lowland gorilla ( G. Most authorities recognize two species and four subspecies. Gorillas live only in tropical forests of equatorial Africa. Only the chimpanzee and the bonobo are closer. The gorilla is one of the closest living relatives to humans both groups last shared a common ancestor about 10 million years ago. Gorilla, (genus Gorilla), genus of primates containing the largest of the apes.
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