Next time you smile politely at a stranger, think of a gorilla baring his ... facial expressions are baring teeth and opening the mouth to smile without showing any teeth. While it runs counter ...

The 55-year-old from Devon was visiting Bristol Zoo when she spotted the Western Lowland Gorilla, called Kera, using a bramble branch to clean her teeth. She said: 'She just started running it ...

Eventually it will get bored of you and move on. No matter what, never: Run from the gorilla. Show your teeth. Raise your arms and try to make yourself look bigger. Scream and shout. Thump your ...

When a gorilla appears to be smiling with its teeth bared, this can be either a ... and aggressively advance on their rivals. Gorillas show submission by crouching and approaching from the side.

Koga, a 35-year-old western lowland gorilla, has lived at upstate New York ... as well as giving the rest of his body, including his teeth, eyes, joints and muscles, a once over,” Christan ...

First we have six-year-old Henry from Denver, Colorado, who asked: “Since gorillas are herbivores, why do they have such big teeth?” What about the gorilla’s long, sharp canines? They’re ...