A long-term study led by primatologist Crickette Sanz at Washington University in St. Louis reveals the first evidence of lasting social relationships between chimpanzees and gorillas in the wild.

Check out the full article from Washington University in St. Louis, by Talia Ogliore, here:

https://source.wustl.edu/2022/09/study-reports-first-evidence-of-social-relationships-between-chimpanzees-gorillas/