credit for this amazing photo set: https://www.instagram.com/p/B-cNlB0nnF-/?igshid=1az96okj3wwdd
Bonobos are morphologically different from Chimpanzees (splitting away about 1 million yrs ago) bcoz they live in matriarchal systems. Bonobos use sex to keep peace & homosexual acts between females are common. They use these strong bonds to maintain social dominance over males.