We're counting down the ultimate top ten survivors in the natural world to find the animal with the most extraordinary endurance.
A wolf lives to hunt. Red meat is their lifeblood, and the alpha must provide. But this is not a story about an alpha male: its an epic biopic about one female wolf.
Richard ventures to Thailands legendary Mekong River in search of the creature responsible for a string of attacks thats left some locals afraid to go back in the water.