Wilhelm the polar bear spent his cubhood in a circus ... Some of his favourite tricks are blowing bubbles at onlookers while right up against the glass of his tank, and sticking his head into ...

Polar bears are some of the most charismatic megafauna ... pausing for a moment then suddenly blowing to exude a stream of many bubbles which blow around the room. He then quickly turns his ...

Wilhelm was among six polar bears confiscated from the Suarez Brothers Circus in southern Puerto Rico in 2002. He also loves blowing bubbles at onlookers watching from the side of his tank and ...