VIDEOS

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

The male kobs race to their breeding grounds in order to begin the violent battle for the right to mate.

Crew gets lost trying to drive through Africa to find Kob.

Katie talks about how the crew got so close to the whales.

Katie talks about how hard it was to get a particular shot of sperm whales when the camera stopped working.

Rick talks about how he was able to get so close to whales.

Elephant seal bulls fight for the title of beachmaster -- and control of all the harems on the beach.

If jellyfish stray too far into the shadows of the lake, they are slowly picked apart by their predators.

Millions of golden jellyfish live in just one lake -- and they follow the path of the sun.

The scorching sun proves to be too much for one elephant calf, whose family can only watch its sad demise.

An elephant army marches on through a dust storm towards the water at the end of their journey.

Great whites go where the meal goes - and today that meal is elephant seal.

Producer David Hamlin goes underwater in a submersive with a camera to shoot great whites.

A cameraman makes a special hide to get up close to birds.

This camera crew grabs some amazing walrus shots -- before getting stuck in the ice.