New Marshmallow-Test in parrots

African grey parrots are more likely to reject an immediate reward with the prospect of a better one than macaws. They may therefore be able to delay a reward longer than macaws. This is what scientists led by Auguste von Bayern from the Max Planck Institute for Ornithology in Seewiesen have found. The birds that distracted themselves kept waiting the longest.

Quelle: IDW Informationsdienst Wissenschaft