Animals battle for territory, food and mating rights across the globe.

In India, a male tiger takes on an older male for the rights to call the territory home.  Unique battles like stalk-eyed flies, moray eels, roosters and a mink show even the smallest battles can have the ultimate cost.

Animals battle for territory, food and mating rights across the globe.

Animals all over the planet fight with one another for food, mating and territory claims.

The science behind the never-ending battles of the animal kingdom.

Deadly battles for supremacy in the animal kingdom.

Nature's greatest warriors go head-to-head.

Revealing the science and tactics behind nature's deadliest battles.

Nature's most brutal battles, where size does not matter and there are no guaranteed victories.

Animal mothers wage war to protect their young; disputes over territory turn toxic.

Animals go to great lengths to eat, protect their young, or pass on their bloodline.

How nature's deadliest battles are fought over turf, dominance and the right to mate.