Get 20% off a Lifetime Plex Pass

Enjoy this special deal, this Geek Week only.Learn More

Life on Earth

The Rise of the Mammals

E9    Mar 13, 1979    55m
A look at the evolution of mammals from reptiles 200 million years ago. This remarkable transition involved the development of mechanisms for regulating body temperature, for allowing the young to develop in the womb and for suckling newborns. Attenborough also explores the South American origins of marsupials and their colonization of Australia
Where to Watch The Rise of the Mammals
Cast of The Rise of the Mammals
  • David AttenboroughPresenter

Take Plex everywhere

Watch free anytime, anywhere, on almost any device.
See the full list of supported devices