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All of the sulphur-crested cockatoos studied by the researchers were left-handed (Source: Eddy Knopper/stock.xchng)Parrots, like humans, choose to use one side of their body more than the other, with more of them left-handed - or, more precisely, left-footed than anything else.
Some species even try out both before deciding on one side.
Australian researchers found that virtually all the parrots they studied prefer to use either their left eye and left foot, or right eye and right foot.
"Basically, you get this very close relationship with the eye that they use to view the object and then the hand that they use to grasp it, and it's very consistent across all the species except a couple," says Dr Culum Brown, a senior lecturer at Macquarie University in Sydney, who led the study.
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