Scientists stunned as chimpanzees turn on friends in killing spree

Researchers revealed on Thursday that the Ngogo chimpanzee group in Uganda underwent a violent split, resulting in 28 deaths. Coordinated attacks targeted adult males and infants, highlighting unprecedented intra-group aggression. The study, published in Science, tracks the violence from its onset in 2018, following potential stressors like population growth and social disruptions.

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Summary by Glance · Original reporting by The Age