Watch how Figaro the cockatoo uses a tool kit to nab a nut | Science News
Some captive Goffin’s cockatoos, including this one named Figaro, learned to use a sharp stick to poke through a thin piece of paper, allowing them to then insert a longer straw to knock free a cashew. Here, Figaro grabs both tools needed before flying up to the box — a sign that he recognized both tools as part of a set needed to complete the job. Chimpanzees, which use a pair of sticks to fish for termites, are the only other nonhuman animal known to use tools as a set.
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Video: A. Osuna Mascaró et al/Current Biology 2023