A chimpanzee community in Kibale has about 100 members. They split into smaller groups each day to look for fruit, leaves and insects. Friends greet each other with hugs, hand-touches and gentle grooming - picking little bits of leaf and dust out of each other's fur. They have over 30 different calls and use them to say things like 'food here!' or 'who is that?'.
Chimps make and use tools. In Kibale they have been seen poking sticks into beehives to scoop out honey, chewing leaves into a sponge to soak up rainwater for drinking, and using rocks to crack open hard nuts. Young chimps learn by watching their mothers and trying things themselves - they make a mess for a while, then they figure it out.
Baby chimpanzees stay close to their mothers for about five years. They ride on her back, sleep in her arms at night, and copy everything she does. By the time they are teenagers, they leave the family group and start making friends of their own. Female chimps often move to a different community when they grow up.
Scientists from Uganda and around the world have been studying the Kibale chimps for over 30 years. They know each chimp by name and face. The chimps know the scientists too. Over many years, the chimps have got used to being watched - they don't pay any attention to people with notebooks sitting quietly in the trees.