And that is a harsh division,because the sixty degrees that separate the steaming waterfrom the freezing surroundingscan make the difference between life and death.But by far the majority of primate specieslive in warm tropical forests.Among them are the largest of all.Gorillas live in stable family groupswith just a single leader,a silverback male.This one, here in the Congo basin, is the guardian of his familywhich includes five females and their infants.
