"Incredibly intelligent animals, young polar bears learn quickly through their inquisitive nature. This cub was intrigued by its reflection and was studying it with great interest,” photographer Florian Schulz.
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