Goffin cockatoo. Source
New research shows that birds, specifically Goffin cockatoos, are able to exercise self-control. The research was done by giving cockatoos a piece of food and teaching them that they could trade in the piece of food for a better one if they waited. Of the 14 birds tested, all of them chose to wait and trade in their food. Previously, many people believed that birds could not exercise self-control, but this should change that point of view.
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