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.'
Giant anteater - Giant Anteaters are native to Central and South America. Their amazing tongues are typically 60 cm (24 inches) long, covered in backward-curving papillae and coated in thick, sticky saliva