ScienceGermanyFighting polar bear boredomTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGermany10/08/2021October 8, 2021Polar bears spend a lot of time in the wild roaming and swimming. In zoos they live in small enclosures. To prevent them falling victim to stereotypical behaviour, they undergo training routines designed to combat boredom. https://p.dw.com/p/41RyoAdvertisement