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 ...

April 8 (UPI) --To calculate the size of a live gorilla, scientists must rely on an advanced imaging technique called photogrammetry. But when gorillas size each other up, they just listen. New ...

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 ...

Although the chest-beating of male gorillas is a common behavior, its purpose still isn't entirely understood. Now, however, scientists believe it may serve as a means of acoustically indicating 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 ...

Previous research has shown that a gorilla's larger body size is linked to reproductive success and social rank. The chest-beating could be another way for the gorillas to convey their size to others ...

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Because chest-beat peak frequency syncs up with body size—which is itself linked to dominance and reproductive success—female gorillas have plenty of reasons to listen in on the displays, too.

Here's something you don't get to see every day - it's a huge silverback gorilla beating on his chest while a photographer watches, and if you ask me, the distance between them is too close for ...

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 ...