The males weigh 300-500 pounds. The females weigh 150-250 pounds. All gorilla babies from the age one to three years weigh between 20-30 pounds. The color on a male or female is black or brown-gray fur with black skin on chests, palms and faces. Red heads are common in Cameron gorillas especially.
Males develop a silver back as they mature.
All gorillas walk on fours with the soles of their feet flat on the ground and the knuckles of the hands curled and planted on the ground. Each gorilla can recognize each other by their faces and body's shape. Each gorilla has a unique nose print. Mountain gorillas live among the Viunga Mountains. These are six inactive volcanoes in central Africa.