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
RED SMOKE AT NIGHT, VOLCANO SPOTTERS DELIGHT

With the vivid red smoke billowing into the sky amid the misty sand dunes, these are the blissful views provided at the break of dawn at a volcano .

UNUSUAL FRIENDSHIP

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

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 .

FLORESCENT PLANKTON LIGHT UP AUSTRALIAN SEA

An Australian beach is illuminated by an enticing neon blue glow as a rare phenomenon lights up the water .

SLAM DUNK DA FISH

THIS is the incredible moment a pelican throws a fish into the air and SLAM DUNKS it into its enormous throat sack .

A SMILEY GECKO SHEDS ITS SKIN AS HEATWAVE HITS BRITAIN

STRETCHING his little legs in the air, a smiley leaf-tailed gecko breaks free from his old, scaly skin .

MONKEY BATH

RAISING his foot into the air, this cheeky monkey offers an unusual wave .

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 .

DAREDEVIL DIVERS HAVE A WHALE OF A TIME

SWIMMING next to 40 tonne whales, dare-devil divers take the plunge with these gentle giants of the sea .

WALLABY FEEDS PIGEON

THIS caring wallaby shares her lunch with a hungry pigeon .

STORM CHASER PHOTOGRAPHS STUNNING EXTREME WEATHER

These photographs of extreme weather capture storms furiously rolling across the sky above America .

ONE HUMP OR TWO? CAMEL ENJOYS BREAKFAST WITH FAMILY

They say breakfast is the most important meal of the day and for this greedy camel he can't get enough of his morning feed, as he gate crashes his owner's mealtime .