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May 20

Chimpanzee groups fight each other

I read in Frans de Waal book that two groups of chimpanzees sometimes fight each other.
Is it true that two groups of chimpanzees sometimes fight each other, with one group attacking individuals? So a group of male chimpanzees attacks single chimpanzees. 2A02:908:424:9D60:979:D36A:5559:FF19 (talk) 19:24, 20 May 2023 (UTC)[reply]

See Chimpanzee friends come together to battle out-group rivals.

Also mentioned in Chimpanzee#Group structure which has links to other sources. Alansplodge (talk) 22:26, 20 May 2023 (UTC)[reply]

Not just fight. Imagine Reason (talk) 01:59, 21 May 2023 (UTC)[reply]

See Gombe Chimpanzee War. Matt Deres (talk) 03:20, 21 May 2023 (UTC)[reply]

Chimpanzees groups (except Bonobo) are deadly to each other and wage very violent wars. Zarnivop (talk) 19:28, 22 May 2023 (UTC)[reply]