Who’s a clever boy, then? Goffin’s cockatoos, a species of small parrot native to Australasia, have been shown to have similar shape-recognition abilities to a human two-year-old.
Though not known to use tools in wild, the birds have proved adept at tool use in captivity. In a recent experiment at the University of Vienna and the University of Veterinary Medicine Vienna, cockatoos were presented with box with a nut inside it. The clear front of the box had a ‘keyhole’ in a geometric shape, and the birds were given five differently shaped ‘keys’ to choose from. Inserting the correct ‘key’ would release the nut.
Bu hikaye BBC Earth dergisinin April 2018 sayısından alınmıştır.
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Bu hikaye BBC Earth dergisinin April 2018 sayısından alınmıştır.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
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