Photo: RNZ / Nate McKinnon
A study comparing the intelligence of kea and cockatoos has put New Zealand's native bird on top.
Researchers at Austria's University of Vienna examined the emotion of "surprise" in kea and cockatoos, testing how they would react to being given less desirable food than they were led to expect
Kea that were shown a peanut but given a piece of apple appeared surprised and disappointed, sea
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