Robotic Spy Bear Goes Fishing With Real Grizzlies. Will He Survive

The fishing season has started for the grizzly bears in Alaska and robot Spy Bear Cub rolls into action but will a mother grizzly bear accept this new bear cub Clip taken from episode 2 The North of the second series of Spy in the Wild, narrated by David Tennant. Catch up on the series on the BBC iPlayer here: Spy in the Wild is back in one of the most innovative natural history series ever presented. This time it deploys over 50 ultr