Feel the icy heat of aggression in some of the coldest habitats on Earth, as life-threatening environmental conditions bring out predators' competitive sides.
Investigate the challenges that animals face when trying to survive in some of the driest, fieriest places on the planet, battling exhausting and dehydration.
Climb up to the rainforest canopy for a look at some of the toughest species ever seen in the wilderness. Watch competitors engage in epic clashes over love, dominance, and resources, often with grisly or deadly results.
Dive into oceans, lakes and rivers for a look at underwater war zones, then get a front-row seat at some brutal skirmishes above the waves that determine who wins and who dies.
