Incredible Shells's primary photo
  • Natural Curiosities Incredible Shells (Season 4, Episode 5)
  • TV Episode | 22 min | Documentary, History

Natural Curiosities

Incredible Shells (Season 4, Episode 5)
TV Episode | 22 min | Documentary, History
David Attenborough investigates two shells that have proved to be winners in evolution: the bird's shell and the hard shell of the tortoise. The ostrich egg is so strong it's possible for a person to stand on it without it breaking - how ...See moreDavid Attenborough investigates two shells that have proved to be winners in evolution: the bird's shell and the hard shell of the tortoise. The ostrich egg is so strong it's possible for a person to stand on it without it breaking - how does the chick break out of this fortress? The evolution of the tortoise shell was for a long time a mystery and this bony box offers a lot more than just protection. Written by Enzedder See less
Read more: Plot summary
Director
Hilary Jeffkins
Producer
Hilary Jeffkins
Editor
Khara Stibbons
See all filmmakers & crew (23)
Status
Edit Released
Updated Jun 25, 2017
Release date
Jun 25, 2017 (United Kingdom)

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1 cast member
Name Known for
David Attenborough's primary photo
David Attenborough
Self - Presenter Self - Presenter   See fewer
Blue Planet II (2017)
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