Crows and common ravens do not reciprocally exchange tokens with a conspecific to gain food rewards
Abstract
Human economic transactions are based on complex forms of reciprocity, which involve the capacities to share and to keep track of what was given and received over time. Animals too engage in reciprocal interactions, but mechanisms such as calculated reciprocity have only been shown experimentally in few species. Various forms of cooperation, for example food and information sharing, are frequently observed in corvids, and they can engage in...
Paper Details
Title
Crows and common ravens do not reciprocally exchange tokens with a conspecific to gain food rewards
Published Date
Oct 23, 2019
Journal
Volume
126
Issue
2
Pages
278 - 287
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