Elephant trunks are very dexterous because they are so wrinkly

Elephants’ trunks are covered in wrinkles and the pattern of their distribution seems to help the trunk curve as it extends

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How the elephant masters its trunk 1: the basics – Eyes on the Wild

Elephant Trunks—More Complicated Than We Thought

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8 Fascinating Facts About An Elephant's Trunk! - Wildlife SOS

Elephants develop wrinkles through both form & function

Elephant Trunks—More Complicated Than We Thought

Skin Helps Explain Why Elephant Trunks Are So Handy, Smart News