Ravens Judge Competitors through Experience with Play Caching


Complex social behavior builds on the mutual judgment of individuals as cooperation partners and competitors [1]. Play can be used for assessing the others' dispositions in humans and nonhuman mammals [2], whereas little is known about birds. Recently, food-caching corvids have been found to rival primates in their ability to judge the behaviors and… (More)
DOI: 10.1016/j.cub.2007.09.048


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