Watch Natural Curiosities Season 4 Episode 5 online free

Run Time: .

IMDb: IMDb 8.6.

Episode name: Incredible Shells .

Air Date: 25 Jun. 2017.

Genre: history tv shows | documentary tv shows.

Episode Info: David Attenborough investigates two shells that have proved to be winners in evolution: the birds shell and the hard shell of the tortoise. The ostrich egg is so strong its 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.

Story: David Attenborough presents a collection of his favourite natural curiosities found throughout the animal kingdom from armoured giants to crafty insects. .

Creator: .

Country: .

Cast:

David Attenborough
Self - Presenter

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Guy Chapellier
Narrator

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