Gorillas are found in Nigeria, Cameroon, Gabon, Congo,
Central African Republic, and Zaire. They are also found in the rain forests of Rwanda and Uganda. Male gorillas weigh from three-hundred to five-hundred pounds. Females weigh from one-hundred fifty to two-hundred fifty pounds. Gorillas have black or brown -gray fur with black skin on their chests, palms, and faces. Males develop silver backs as they mature. Gorillas ear two-hundred kinds of leaves, tubers, flowers, fruit, fungus, and some insects. Their favorite foods include bamboo, thistles, and wild celery. Man is the gorilla's only enemy. Gorillas have a life span of between thirty and fifty years.