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
LONDON LANDSCAPES PHOTOGRAPHED FROM ROOFTOPS

A British photographer has captured the beauty of London in a stunning series of landscapes shots .

VICTORIAN TENNIS RULE BOOK REVEALS GAME PLAYED BY THREE

TENNIS was a game made for three according to the first Victorian rule book .

HOLY COW! DARING FARMERS IN THRILLING CATTLE RACE

An Indonesian farmer is dragged through muddy water as he clings to the tails of two charging cows .

STUNNING UK LIGHTHOUSES

A photographer has travelled the length of the UK capturing lighthouses and their picturesque surroundings .

STUNNING ENGLISH COASTAL LANDSCAPES

WITH STUNNING colours and serene scenes, these photographs capture the otherworldly beauty of the English coast .

HUNGRY HIPPO MISSES OUT ON LUNCH

A hungry hippo is seconds away from catching a bird in its gigantic jaws .

BABY ELEPHANT HAS FUN IN THE SUN

SPLASHING around in a paddling pool, this little elephant soaks up the sunshine .

CHEEKY CHIPMUNK

A chipmunk, with his cheeks full to bursting, has no intention of leaving with an empty stomach .

SLACKLINING USA

Popping impressive moves despite high-wiring at three THOUSAND feet .

TUNNEL FOR VICTORY

What lies beneath this building site? Britain's great hope of winning the pre-WW2 arms race against Nazi Germany .

MOUNT BROMO METEOR SHOWER

A SPECTACULAR array of stars fills the night sky as they soar over this active volcano .