This gorilla definitely has an attitude problem.

This grumpy gorilla showed one photographer what he thought of posing for pictures by giving him the middle finger.

Forget guerrilla warfare, this angry ape is all about the gorilla swore-fare.

At first the gorilla was just minding his own business when photographer Bob Pitchford spotted him chewing on some grass.

On spotting the lens the hairy beast turned towards the camera and flips the bird at the lens.

Read more: Bristol Post