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. 2022 Dec;25(6):1579-1588.
doi: 10.1007/s10071-022-01642-4. Epub 2022 Jun 17.

Azure-winged Magpies would rather avoid losses than strive for benefits based on reciprocal altruism

Yigui Zhang  1   2 , Ziye Zhang  1 , Lingling Zhao  2 , Yi Tao  3 , Zhongqiu Li  4   5
Affiliations

Azure-winged Magpies would rather avoid losses than strive for benefits based on reciprocal altruism

Yigui Zhang et al. Anim Cogn. 2022 Dec.

Abstract

It is no doubt that the reciprocal altruism of humans is unparalleled in the animal world. However, how strong altruistic behavior in the non-human animal is still very controversial. Almost all previous researches allowed only one individual in the dyad for action or dyad to accomplish tasks and obtain rewards simultaneously. Here, we designed current study based on the prisoner's dilemma to investigate reciprocal altruism under interactions of Azure-winged Magpies (Cyanopica cyanus), which is direct reciprocity of allowing subjects obtain rewards, respectively. The results suggest that Azure-winged Magpies failed to show continuously altruistic behavior due to the empiricism that stemmed from interactions, that is, avoiding losses. Meanwhile, the resource exchange game paradigm, which is designed in our study, is worthwhile to study the evolution of cooperation in more species in the future.

Keywords: Altruistic; Azure-winged Magpies; Learning; Prisoner’s dilemma; Reciprocity.

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