Cockatoos pass the ‘tool kit test’ to get hard-to-reach food
Cockatoos aren’t bird-brained after all – in fact, they’re pretty handy with a tool kit. White parrots from Indonesia, called Goffin’s cockatoos, were already known to make tools out of tree branches, but now they have impressively passed the ‘tool kit test’ – only achieved by chimpanzees and humans. It means the brainy birds can plan …
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