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.

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CHEEKY FROG HITCHES A RIDE ON A SNAIL

A lazy tree frog, tired of hopping along a branch, chooses the slowest form of transport when it jumps on top of an unsuspecting snail .

DARK DISNEY

THESE are the Disney Princesses you wouldn't want to run into in a dark alley .

FLYING PENGUINS LEAP OUT OF THE OCEAN

Leaping out of the ocean, a group of gentoo penguins fly through the air before landing safely on an iceberg .

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 .

THE SECRET LIFE OF SQUIRRELS

PICKING up a tiny tea-pot with its paws, a little red squirrel struggles to prepare its morning tea .

FRILLED LIZARD SINGS FOR THE CAMERA

A frilled lizard appears to be belting out a tune as it sits in a tree with its mouth open wide .

ADORABLE PENGUINS HATCH AT UK ZOO

HOPPING onto the scales, these adorable baby Humboldt penguins are ready for their first weigh-in .

BEAUTY AND THE BEAST: SWIMMING WITH SHARKS

Armed with a snorkel, flippers and her skimpy bikini, an intrepid female free diver swims alongside an array of reef sharks .

BOSTON BOMBING AFTERMATH - 17TH APRIL

At least three people have been killed and more than 100 injured, some seriously, in two explosions at the finish line of the Boston Marathon .

AMAZING ROBOTIC SCULPTURES

ESCAPING A LANDFILL FUTURE, these amazing science fiction inspired sculptures are made from everyday objects .

SPRITE LIGHTNING CAPTURED IN AURORA LIGHTS

The aurora lights captured in Blair Nebraska, America - WITH electrifying purple and illuminous green brightening up the night sky, this is the rare moment a flash of 'sprite' lightening was captured on camera .

ANGER AS BLOCKBUSTER ADVERTISES EMPLOYEES JOBS TO MAKE THEM “WORK HARDER”

Struggling home entertainment chain Blockbuster has been slammed for advertising its workers' jobs while they are still in them in order to scare them into working harder .