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.
WITH HIS PAW covering his mouth, this cheeky cub looks amused by something .
More weather chaos is heading our way, with ice and snow already hitting areas across Birmingham .
HOPPING onto the scales, these adorable baby Humboldt penguins are ready for their first weigh-in .
THESE are the Disney Princesses you wouldn't want to run into in a dark alley .
These adorable pictures show the moment two cuddly red panda cubs take their first look at the outside world and are weighed for the very first time .
COURAGEOUS CLIMBERS scale frozen waterfalls in Canada, as the ice threatens to collapse beneath them .
These photographs of extreme weather capture storms furiously rolling across the sky above America .
A frilled lizard appears to be belting out a tune as it sits in a tree with its mouth open wide .
THEIR gnarling teeth at the ready, these two baboons fight it out for the last piece of fruit .
This longhorn beetle demon-strates a dark side as it looks just like the devil .
Fishermen in Myanmar have perfected an unusual fishing technique by carefully balancing on one leg .
A striped marlin means business as it spots lunch and spears a small fish .