Walking with Monsters
550 million years ago, our ancient ancestors evolved teeth and all manner of new weapons.
550 million years ago, our ancient ancestors evolved teeth and all manner of new weapons.
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A herd of mammoths head south for winter, running a gauntlet of ice-age hunters.
The largest of all the sabre tooth cats roamed South America one million years ago.
Three million years ago, Ethiopia was home of the ape-man Australopithecus and the sabre-toothed Dinofelis.
Twenty five million years ago lived the Indricotheres - the largest land mammals of all time.
In the sea, 36 million years ago the most monstrous mammals can be found.
Forty-nine million years ago, the world was heavily forested and birds ruled the planet.
David Attenborough explores why dinosaurs vanished while reptiles like crocodiles and turtles survived.
A look at the science supporting Darwin's idea that humans have an ancestral connection with the ape.
The 120-million-year reign of the dinosaurs ended when mammals became the fiercest creatures on the planet.
Meet the liopleurodon, the biggest of all the carnivores 149 million years ago.
This is the story of one of the largest animals to walk the Earth - the mighty sauropods.
Two hundred and twenty million years ago, one group of reptiles was about to take over the world.
By 280 million years ago, a new group of animals and plants took over - the reptiles.
Next it was the turn of the fish to grow larger and take over the role of top predator.
550 million years ago, our ancient ancestors evolved teeth and all manner of new weapons.
A herd of mammoths head south for winter, running a gauntlet of ice-age hunters.
The largest of all the sabre tooth cats roamed South America one million years ago.
Three million years ago, Ethiopia was home of the ape-man Australopithecus and the sabre-toothed Dinofelis.
Twenty five million years ago lived the Indricotheres - the largest land mammals of all time.
In the sea, 36 million years ago the most monstrous mammals can be found.
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