Gorillas, the largest, strongest, rarest apes, look the most human of all other primates. They live in equatorial West African forests, from lowlands near the Cameroon Coast to highland altitudes of 10,000 feet in Rwanda, Zaire, and Uganda. All gorillas are believed to belong to one species, Gorilla gorilla.
Physical Characteristics of Gorillas
Males are 5.75 feet tall when on all fours, over six feet when standing erect, and thus are taller than the average man. They are much heavier, weighing three hundred to six hundred pounds. Unsurprisingly, their bone structure is heavier than that of humans. Females, a foot shorter than males, weigh half as much. Gorilla skin is dark and, except for the face and hands, covered with long, coarse, dark brown to black hair. This hair turns gray on the backs of older males, who are then called silverbacks. Gorillas, especially males, look fierce, although they are timid unless mating, cornered, or threatened. Their fierce looks are due to hulking bodies and somber faces, with dark, hairless, strong jaws and long, powerful teeth. In addition, gorillas have brutish brow ridges which jut out above small eyes. Finally, the face of the male is dominated by a large, flat nose with coarse nostrils. Combined, these features produce what humans perceive as a somber and threatening expression. Gorilla brain cases and brain sizes are smaller than in humans, promising lower intelligence. As to skeletal structure, the gorilla is similar to humans, but its bones are thicker. Its arms are much longer and its legs are much shorter. Gorilla spines lack the structures needed for a continual erect posture. Therefore, while gorillas can stand upright and walk erect, most often they walk on all fours, using the knuckles of their hands as supports.
Thanks for description - Animal life club