The chimpanzee, also known as simply the chimp, is a species of great ape native to the forest and savannah of tropical Africa. It has four confirmed subspecies and a fifth proposed subspecies. When its close relative the bonobo was more commonly known as the pygmy chimpanzee, this species was often called the common chimpanzee or the robust chimpanzee. The chimpanzee and the bonobo are the only species in the genus Pan. Evidence from fossils and DNA sequencing shows that Pan is a sister taxon to the human lineage and is humans' closest living relative. The chimpanzee is covered in coarse black hair, but has a bare face, fingers, toes, palms of the hands, and soles of the feet. It is larger and more robust than the bonobo, weighing 40–70 kg for males and 27–50 kg for females and standing 120 to 150 cm. The chimpanzee lives in groups that range in size from 15 to 150 members, although individuals travel and forage in much smaller groups during the day.

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As with humans, young male chimpanzees are more inclined to take risks than females and older males are.

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Female chimpanzees avoid humans

Do chimpanzees have the right to life? In a referendum on Sunday, people in the Swiss canton of Basel voted against giving non-human primates the right to life and physical and mental integrity.

Chimpanzees Observed Applying Insects to Wounds – A Potential Case of Medication?

Chimpanzees observed treating wounds of others, using crushed insects | Animals