Their arms are longer than their legs. Whenever they are walking, they quadrupely knuckle walk, while supporting their weight on the third and fourth digits of their curled hands.
Like humans and other primates, each individual gorilla has distinctive fingerprints. Looking at their size the male mountain gorillas are bigger than their female counterparts. Adult males have silvery white fur at their backs that inspired the name silverback. It is this silverback, which heads the family.
Standing on two legs, an adult mountain gorilla stands about five and a half feet, weighing between 300 and 400 pounds. Females on average weigh only 200