TRIALS OF THE WILD

The Christmas Island red crab is a land bound crab that still has strong ties to the ocean, the only place where they can give birth to their young.

Ain't love grand? Well, to many animals in the wild, attracting a mate and getting the chance to breed is more like a blood sport. The mating urge drives animals to make long journeys, to let down their guard in the presence of predators, and even to fight each other to the death.

With the arrival of spring, animals from all over the South Atlantic are suddenly converging on the Falklands. The striated cara-cara is one of the few year-round inhabitants of the islands.

Each year, monarch butterflies undertake a multi-generational migration from Mexico all the way to Canada and back again.

In Africa's vast Serengeti Plain, one million wildebeest are taking a rare pause for the mothers to have their young in a massive birthing event.

The Christmas Island red crab is a land bound crab that still has strong ties to the ocean, the only place where they can give birth to their young.

Ain't love grand? Well, to many animals in the wild, attracting a mate and getting the chance to breed is more like a blood sport. The mating urge drives animals to make long journeys, to let down their guard in the presence of predators, and even to fight each other to the death.

A deadly predator is stalking the forests of Costa Rica. No, it's not a jaguar, it's a super organism made up of half a million tiny individuals -- an army ant colony.

On the edge of the Sahara Desert in Mali, a society struggles to thrive. This isn't a society of humans but of rare desert elephants. More than just a herd of animals, they are a tribe of extended families and comrades with their own unique culture.

Ain't love grand? Well, to many animals in the wild, attracting a mate and getting the chance to breed is more like a blood sport. The mating urge drives animals to make long journeys, to let down their guard in the presence of predators, and even to fight each other to the death.