Chest beating by mountain gorillas - rapidly beating their chests with their hands to produce a drumming sound - may convey information about their body size and allow identification of individuals, a ...

Add Yahoo as a preferred source to see more of our stories on Google. Some behaviors are instinctive and others have to be learned. This is as true for people as it is for the other members of the ...

Gorillas usually stand bipedally and rapidly beat their chests with cupped hands in rapid succession. Chest beating is a unique sound because is it not a vocalization, like frogs croaking, but rather ...

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 ...

Some behaviors are instinctive and others have to be learned. This is as true for people as it is for the other members of the animal kingdom. Perhaps you, like me, may have thought until this moment ...