Behavior
Chimpanzees live in communities that typically range from 20 to more than 150 members, but spend most of their time traveling in small parties of just a few individuals. The eastern chimpanzee is both arboreal and terrestrial and spend its nights in the trees, while most of its daytime hours are spent on the ground.
Chimpanzees walk using the soles of their feet and their knuckles, and they can walk upright for short distances. Common chimpanzees are 'knuckle walkers', like gorillas, in contrast to the quadrupedal locomotion (a form of land animal locomotion using four legs) of orangutans and bonobos known as 'palm walkers' who use the outside edge of their palms.
When confronted by a predator, chimpanzees will react with loud screams and use any object they can get against the threat. The leopard is the chimpanzee's main natural predator, but they have also fallen prey to lions.
Read more about this topic: Eastern Chimpanzee
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