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.

On the edge of the Sahara Desert, a society of rare desert elephants struggles to survive.

Animals swing from branch to branch in the canopy of the Borneo rainforest.

If these animal babies can survive childhood, they can survive almost anything.

Animals that turn away from the good life and face difficulties always have their reasons.