Title:
Why do male gorillas beat their chests? new study offers intriguing evidence
Author:
Jason Bittel
Published:
National Geographic, 8 April 2021
From the article:
Since King Kong first appeared on the silver screen in 1933, the fictional giant ape has exposed audiences all over the world to a very real gorilla behavior—chest-beating.
But it may surprise you to learn that while scientists have speculated about the percussive display’s meanings, actual evidence for why male gorillas sometimes pound their chests has been scarce.