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In a sped-up video of tortoise tests in a lab, animals with no coaching fail to get a treat on the other side of wire fence. When researchers let the trained tortoise Wilhelmina demonstrate, an observer tortoise manages readily.
Credit: Anna Wilkinson
Found in "Tortoise see, tortoise do" online at:
sciencenews.org/view/generic/id/57795/title/Tortoise_see,_tortoise_do
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