When it comes to cooperation, there’s no monkey business in how some chimpanzees respond.

These primates often make decisions faster that benefits others than themselves, according to a newly published University of Michigan study.

For decades, social scientists and biologists have sought to study primates because they are humans’ closest living relatives. Chimpanzees can also be very cooperative in the wild—forming alliances with friends or hunting together in groups.

“Chimpanzees are an important comparative model for human cooperation,” said Alexandra Rosati, U-M assistant professor of psychology and anthropology.

Read more at University of Michigan

Image: Chimpanzees gathering for a meal. (Credit: © the Jane Goodall Institute / By Fernando Turmo)