To many animals in the wild finding a mate is blood sport, driving to make long journeys, let down their guard, and even fight each other to the death.

An army ant colony in the forests of Costa Rica stalks its prey. This super-organism of tiny individuals is as deadly as any beast on four legs.

In the Sahara Desert, a herd of elephants struggles to thrive. But with the help of caring people and their own resilience, they just might make it.