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.
SQUEEZING their furry faces through a hole in a tree, a trio of curious baby squirrels leave their nest for the first time to explore their surroundings .
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 .
A SPECTRUM of colours fills the sky during this spectacular and natural display of light .
Kevin Silva, 52 from Indiana in the USA, has spent an estimated £65K ($100K) on Batman trinkets over the years, and even keeps his 2,500-item haul in his very own basement 'Bat Cave' .
SWIMMING next to 40 tonne whales, dare-devil divers take the plunge with these gentle giants of the sea .
MEET the little lion of suburbia with a mane that makes him look like a mini-king of the jungle .
WITH SNOW COVERING the ground around them, these two polar bears play fight .
BLOWING bubbles underwater, this adorable polar bear slides into his tank for a playful dip .
Lying angelically with a range of expressions etched on their tiny faces, little bundles of joy are innocently captured in their first few days in these adorable photographs .
A cheeky chipmunk offers some of his spare food, before deciding against the idea and shoving the extra peanut into his already crammed mouth .
BASKING in smug satisfaction, a confident squirrel gives a wink to the camera .
This tranquil setting stretches for miles as the sun sets behind the mountain .