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Cockatoos can pick locks

A new study published at Plos One reveals that cockatoos can pick complicated locks, with one bird unraveling the five interlocking components without being given a demonstration beforehand. Jon M Chang, for ABC News:

Alex Kacelnik, a professor of zoology at Oxford University … and his colleagues, Alice Auersperg and Auguste von Bayern at the University of Vienna, placed a cashew nut behind a window fastened shut by a thin metal bar. The birds had to get through four additional locks that required them to pull a pin, turn a screw, remove a bolt, and rotate a wheel to reach the reward. More importantly, they had to do those actions in the correct order. If a cockatoo completed the first task, the scientists then rearranged the order of the four locks. They wanted to see whether the birds could modify their lock-picking behavior by doing the same four actions but in a different sequence.

Previously features at Boing Boing were the death metal cockatoo and Oscar the naked cockatoo.

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