David Attenborough's Natural Curiosities - Season 1 - Eps 4: A Curious Twist
The single spiral tusk of the narwhal inspiration for tales of unicorns and the myriad variations on the twist of the snail shell have delighted and fascinated naturalists and artists since the dawn of civilization.
About David Attenborough's Natural Curiosities

Title: David Attenborough's Natural Curiosities
First Air Date: 2013-01-29
Last Air Date: 2017-06-25
Status: Ended
Rating: 7.156/10 (from 16 votes)
Language: EN
Seasons: 4
Total Episodes: 27
Network: Eden U&W
Genres: Documentary
Production Companies: Unknown
Synopsis
Sir David shines the spotlight on some of nature’s evolutionary anomalies and reveals how these curious animals continue to baffle and fascinate.
Cast

David Attenborough
Self - Presenter