In an experiment, African grey parrots were taught to buy food using tokens. When paired up, without any incentive for sharing, parrots with tokens started to give some to their partners which had no tokens, so that everyone could eat [read more: ]
Parrots Will Share Currency to Help Their Pals Purchase Food
Animals often share food, but these birds understand that metal rings can be exchanged for treats, and they share the rings with no promise of reward
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