WEBISODE

The Inside Story of the science behind Migrations.

Cameramen chase down the monarchs flying around 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.

A tragic and violent scene plays out as wildebeest herds attempt to cross a river teeming with crocs.

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 describes shooting WB from a hot air balloon.

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

Building mathematical models to predict the behaviour of predator and prey.

Discover how mathematical patterns unlock the key to wildebeest survival and migration.

Martin talks about filming in the jungle with delicate equipment.

Take a breathtaking ride on the tailwinds of billions of creatures swimming, marching and flying across the planet.

Take a breathtaking ride on the tailwinds of billions of creatures marching, swimming and flying across the planet