A orangutan mother and her one-year-old offspring seem almost like humans as they have a good laugh together in the tree tops. Photographer Thomas Marent caught the heart-warming scene on camera in Indonesia
A cheeky polar bear sticks out her tongue at Amsterdam Zoo. Photographer Lars van de Goor said: 'I was taking pictures of the animals and noticed this polar bear. I spent half an hour running from left to right, repositioning myself time and time again to get myself into the right position. Then she finally looked straight into my camera and stuck her tongue out.'