Bonobos are found only within the Democratic Republic of Congo in Central Africa. Together with common chimpanzees, they are man's closest living relatives. Sex is an everyday affair in bonobo society, and is liberally used to create bonds between individuals, as well as for reproduction. That said, during periods of rest grooming is the activity of choice, and is thought to provide group cohesion and ease tension. Bonobos are born helpless, and females provide the majority of the parental care, since paternity is usually unclear.

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