Great White Shark Attacks Robotic Seal | Spy In The Wild | BBC Earth

Taken from episode 3 of Spy In The Wild Series 2
Spy in the Wild returns to explore mass gatherings among the animal kingdom as its even more lifelike spy creatures infiltrate communities and take you into the heart of the action. Why do animals gather for one-off events? What does it feel like to be part of the herd? And how do they cope with the changing seasons and climate?