Animals ❯Primates ❯Great Apes

Bonobos

Kissing in Nonhuman Primates Chimpanzees Gorillas Vocal Communication

Study Links Human Kissing to Ancestral Ape Grooming Behaviors

Research suggests kissing evolved from grooming rituals in great apes, though its cultural significance varies widely across human societies.

Apes Recognize Old Companions Even After Decades, Study Finds