K. Zuberbuhler

Chimpanzees and bonobos reinstate an interrupted triadic game

This study investigates how chimpanzees and bonobos respond to interruptions in triadic games, finding that adults reengage more frequently than infants, who use different signaling strategies.

One-trial social learning of vervet monkey alarm calling

This study shows that vervet monkeys can learn the meaning of alarm calls through one trial of social learning, but age and prior knowledge affect call production.

Socially learned arbitrary call use in a wild primate

This study tests if wild vervet monkeys can socially learn to use specific vocalizations to operate a food dispenser, finding limited success in a video-based learning condition.

Dead infant carrying by chimpanzee mothers in the Budongo Forest

The paper documents instances of chimpanzee mothers carrying dead infants for extended periods, suggesting potential psychological responses to death.

Flexibility in the social structure of male chimpanzees (Pan troglodytes schweinfurthii) in the Budongo Forest, Uganda

This study shows that male chimpanzees in a large community use semi-stable subgrouping, adding flexibility to their social organization beyond typical fission-fusion dynamics.