Season 4 Episodes6
Cast1
David Attenborough
Self - Presenter
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8.5
Incredible Shells
8.5/10 · 39 votesJun 25, 201730 min
Ranked #2 of 6 in Season 4•+0.3 vs season avg
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 does
Seasons4
Episode Summary
"Incredible Shells" is episode 5 of David Attenborough's Natural Curiosities season 4. It scored 8.5/10 from 39 votes, ranking #2 of 6 episodes this season (season average 8.2). It aired on June 25, 2017.