Chimpanzees and bonobos have human-like friend circles, study finds

A new study reveals that chimpanzees and bonobos organize their social lives into layered friendship circles similar to humans. While both species show selective social behavior, bonobos tend to be more egalitarian, whereas chimpanzees focus their social efforts on a smaller group of preferred partners.
Why it matters
Understanding these social structures in great apes provides evolutionary insights into the origins of human social complexity and relationship management.
Humans often organize their relationships into layers, spending the most time with a small group of close friends and family while maintaining weaker connections with a larger number of acquaintances. A new international study suggests that this pattern is not unique to people.
The article is a straightforward summary of scientific research findings with no political or social agenda.
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