Mammal in the making

The story begins in 220 million years BC when the first dinosaurs emerged. Cynodonts are shown to be a missing link between reptiles and mammals.

28 September 2010

1 minute

This clip is from

Walking with Dinosaurs (1999)—Original series, New Blood

Watch more video clips about cynodonts from the BBC archive

BBC Nature
Be captivated, informed and inspired by the world's wildlife.

Hungry mouths
Duration: 02:12
Border dispute
Duration: 00:57
Dinosaur attack
Duration: 01:21
Flying reptile
Duration: 01:29

Armoured marine giants—Sea Monsters: A Walking With Dinosaurs Trilogy, Into the Jaws of Death
Duration: 01:55
Whale of a time—Sea Monsters: A Walking With Dinosaurs Trilogy, Into the Jaws of Death
Duration: 02:27
Ancient sea scorpion—Sea Monsters: A Walking With Dinosaurs Trilogy, Dangerous Seas
Duration: 01:43
Deep sea monsters—Sea Monsters: A Walking With Dinosaurs Trilogy, Dangerous Seas
Duration: 03:05