OPEN WIDE! CHEEKY 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 comical photographs were captured by British photographer, David Williams, 41, on a visit to Tama Zoo, in Tokyo, Japan last week.

Other great stories
HOUNDTON TABBY

FROM MRS Patmore to Lady Sybil, these barking mad illustrations show the WOOF-er side of some of our most loved Downton characters .

VICTORIAN TENNIS RULE BOOK REVEALS GAME PLAYED BY THREE

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

PRAIRIE DOG AND STARLING STAND-OFF

This starling and prairie dog will not back down an inch as they have a fearsome stand-off over who gets to eat a nut .

LAZY LEOPARD

Sprawled out on top of a log, this sleeping leopard takes a relaxing break from his daily routine .

EUROSTAR-BUCKS

THIS ONE of a kind experience brings a whole new meaning to the phrase 'a coffee to go' .

NEW DELHI CHILD RAPE PROTESTS

NEW DELHI, A woman activist of India's main opposition Bharatiya Janata Party crosses a police barricade near the residence of ruling Congress party chief Sonia Gandhi during a protest against the recent rape of a five-year-old girl in New Delhi, India, April 21, 2013 .

DIVERS EXPLORE UNDERWATER CANYON WITH 100M VISIBILITY

A diver explores the crystal clear waters of the Silfra canyon in southern Iceland, which is the only place on Earth where you can dive or snorkel between two continental plates .

UNUSUAL FRIENDSHIP

MAKING himself at home, this little snail perches happily on top of this frog's head .

SHARK SELFIES

NOT YOUR everyday selfie, this plucky diver poses with some of the scariest predators in the ocean .

ADORABLE NEWBORN SEALS PLAY IN SNOW

WITH THEIR adorable big round eyes and fluffy white fur, these baby seals are cute enough to melt any heart .

HOP ON! FASHIONABLE FROG TRIES A SNAIL HAT ON FOR SIZE

FLAUNTING its new accessory, a fashionable green dumpy tree frog poses for the camera while wearing a SNAIL as a hat .

BOARDER” COLLIES AND SURF MAD MUTTS HIT THE WAVES

Dogs catch waves at the Coronado Bay dog surf championships Saturday 22nd June 2013- DOG SURFING mutts have never looked so gnarly .