Trials of the Wild

Each year, monarch butterflies undertake a multi-generational migration from Mexico to Canada.

With the arrival of spring, animals converge on the Falkland Islands.

On Africa's Serengeti Plain, female wildebeests have their young in a massive birthing event.

The Christmas Island red crab has strong ties to the ocean, where they give birth to their young.

Attracting a mate and breeding resembles a blood sport for many wild animals.

In the forests of Costa Rica, a super organism is made up of half a million tiny ants.