VIDEOS

The mayfly is born, lives through middle-age, and then dies. All in the same day.

Crew member talks about the plane they used to capture monarchs in flight.

Producer Stephanie explains monarchs and milkweed as she looks for milkweed in a field.

Migration Ecologist tests the first test ever of an electronic tag on a monarch butterfly.

After mating in the forest, red crab females descend down tall cliffs into the sea where they release their eggs.

Producer talks about filming crabs while on locations.

Young cheetahs wait for newborn wildebeests, stalking them before the wildebeests begin their migration.

As the herd trudges through the Serengeti, some young wildebeests simply cannot survive the scorching journey.

Cameraman Benam describes having to film a wildebeest calf and his bleating mother lose a battle against a croc.

Poole finds a WB stuck in the river - and it dies sadly.

Cameraman Bob Poole could only watch as a wildebeest became stuck in the river and drowned.

Cameraman Benam describes having to film a wildebeest calf being eaten by a crocodile.

After gorging on eucalyptus leaves, these bats begin their long courtship in the trees.

Mother bats prepare for migration, giving their young as much milk as they can and oiling up their wings.

The competition for mates among these antelope is so fierce that many males die while fighting.