Victors of the dry land [videorecording].
- Wilmette : Films Inc., 1981.
- 1 videocassette (U-matic) (58 minutes) : Standard Definition, color ; 3/4 min.
- Life on earth [videorecording] ; no.7. .
Naturalist Richard Attenborough describes the characteristics that made reptiles the first successful inhabitants of dry land and he shows the viewer examples of this ashtonishingly diverse family. Includes a discussion of the evolution of dinosaurs and the reasons for their sudden extiction.