Across two different contexts, Kabadayi and Osvath found that ravens preferentially selected items that could be used to obtain future rewards. Do these results demand a rethink of the evolution of flexible planning, or are there leaner alternative explanations for the performance of ravens?

中文翻译：

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乌鸦的灵活规划？

在两个不同的背景下，Kabadayi 和 Osvath 发现乌鸦会优先选择可用于获得未来奖励的物品。这些结果是否需要重新思考灵活规划的演变，还是对乌鸦的表现有更精简的替代解释？