OPEN WIDE! MONKEY GIVES FRIEND AN UNEXPECTED DENTAL CHECK-UP

This cheeky macaque gets up close and personal as he examines the dental hygiene of his fellow primate. Using his fingers to prise open his friend's mouth, he carefully inspects his teeth, searching for any unwanted visitors. The hilarious photographs were captured by British photographer David Williams, 41, on a visit to Tama Zoo, in Hino, Japan. David, from Bangor, Wales, says: “In these pictures you can see a macaque looking inside a friend's mouth, searching for fleas or insects.

Other great stories
INTIMATE PORTRAITS OF INDIANS

An Italian photographer travelled to northern India where he visited poverty stricken suburbs and captured ordinary people in a series of intimate and expressive portraits .

EMPTY LONDON UNDERGROUND

USUALLY full to bursting, these London Underground stations stand silent and completely commuter free .

HUNGRY HERON STRUGGLES TO HOLD ONTO ITS CATCH

A DETERMINED great blue heron holds on tightly to its prey as the furry gopher attempts to wriggle free .

AVATAR-STYLE WISTERIAS WILL LEAVE YOU FEELING TREE-UMPHANT

A TEN-THOUSAND square foot wide Avatar-style grove is such a beauty it will leave you feeling VINE .

BACKFLIPPING SHARK SOARS DURING SEAL HUNT

Exploding out of the water, a great white shark performs a backflip during a hunt for seals .

MAN AND TOY PIG SEARCH WORLD FOR MISSING CUDDLY COMPANION

An Australian explorer has travelled the globe with a toy pig, known as Travel Piggy, in search of a missing cuddly companion .

SNOWCAP SQUIRREL

WITH A LITTLE cap of fresh snow resting on his head, this squirrel tries his best to pull off his new look .

SPECTACULAR SCENERY AT CHILEAN OBSERVATORIES

An Italian photographer travelled to Chile where he visited several star-gazing sites, home to some of the world's most advanced telescopes, located in the spectacular setting of the Atacama desert .

ANCIENT ABANDONED WEBSITES THAT STILL WORK TODAY

A host of websites that are almost twenty years old are collecting a cult following thanks to their retro appeal .

INDONESIAN TRIBE UNTOUCHED BY MODERN LIFE

An Italian photographer travelled to the highlands of New Guinea where he met an Indonesian tribe untouched by the modern world .

THE DANGEROUS WORK OF SULPHUR MINERS

These are the men with one of the most unpleasant jobs in the world .

'GRENADE' DIET PILLS PUT AIRPORTS ON ALERT

AIRPORT staff have been put on alert after diet pills that come in grenade shaped containers sparked security alerts .