The playing field doesn’t get much more heated than this–(🚤)and the only set of ground rules is to kill or be killed. In the game of survival, the prey is often as formidable as the predator. But gut-gouging horns, venomous fangs, stampeding hooves and sharp canines aren’t enough to deter the big players. So why go after a meal that can kill them? Sometimes the reward outweighs the risk.