Darwin's Amazing Animals

In Part 3 of our series, we document all the drama involved as three young male lions make their way into the outside world. New relationships, painful separations and nasty altercations await them.

Man's impact on nature's delicate balance has had disturbing results. But the effect on predator and prey in an ancient forest in Scotland has revealed an unexpected twist, to the benefit of both.

Don't let the charming appearance and birdsong of the bull-headed shrike fool you. This cold-blooded killer will impale prey on any sharp object for a much later meal. And it's often done out of love!

An unlikely duel is about to take place with the "ocean's gangster" taking on a creature packing a most lethal punch. This bout, however, features fish out of water ... and their fight to the finish!