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
INCREDIBLE FOG CREATES GLOWING LANDSCAPES OVER TAIWAN

A blanket of fog is lit up by the colourful glowing lights of the city below .

FALSE KILLER WHALE BEAMS AS HE CATCHES HIS LUNCH

Say cheese! This cheeky chappy isn’t in the mood to live up to his scary reputation as he is pictured here cracking a killer smile as he goes about his daily business .

BUG LOOKS JUST LIKE SATAN

This longhorn beetle demon-strates a dark side as it looks just like the devil .

FISH AND BIRD TANGO

A trout manages to escape the jaws of a hungry cormorant - only to find itself back inside the bird's long beak .

SHOCKING CCTV OF WOMEN AND CHILD HIT AND RUN

THIS astonishing film shows the moment a hit-and-run driver ploughed into a woman and a toddler on a Coventry street .

BEAR AND FOX IN SHOWDOWN

This is the moment a nimble red fox and a lumbering Alaskan brown bear were locked in a tense stand-off .

RECORD BREAKING WATERMELON

AN American accountant has grown the world's biggest MELON and smashed his way into the record books with his mammoth 350 .

SINGING STOAT

MOUTH OPEN wide, this little stoat appears to be in mid-song as he belts out a tune for his onlookers .

INCREDIBLE PHOTOREALISTIC DRAWINGS CREATED WITH A BALLPOINT PEN

FROM a HOLLYWOOD actress to the face of an innocent child, these are incredible drawings with an unlikely twist .

TRIG-OF -THE- EYE STREET ART

At first glance what might look like ordinary rusty bridge and road railings, are in fact amazing works of art .

PAWS FOR THOUGHT: POLAR BEAR RELAXES IN SNOW

STARING intently into the camera, a polar bear appears to be lost in thought while relaxing in the snow .

IPAD GAMES FOR KITTIES TURNS THEM INTO PI-CAT-SSO

Is your cat bored? Do his usual playthings simply not do it for him anymore? Not to worry - there's an app for that .