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.
A mischievous fox cub demonstrates his playful side by biting his sibling’s tail .
MAKING himself at home, this little snail perches happily on top of this frog's head .
With stunning scenery and otherworldly vistas, Iceland’s rural beauty is inescapable – especially for Hollywood .
THIS is the shocking moment a clumsy radio newsreader plunged into a freezing canal while texting her boyfriend instead of looking where she was going .
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 .
AN EXERCISING turtle and an ice-skating chick are hardly everyday exploits in the animal community .
A lazy otter finds the ideal spot to soak up the sun and sleep off his lunch .
STARING intently into the camera, a polar bear appears to be lost in thought while relaxing in the snow .
OFFERING a glimpse into the past, a mash-up of old and new photographs show how the world’s biggest cities have changed .
Staring death in the face, a little field mouse bravely confronts a hungry cat .
STRIKING photos capture nature at its most raw and powerful during Earth’s most electrifying event .
LIFTING their heads high and bumping beaks, these aggressive pelicans clash over fish .