Vocal communication regulates sibling competition over food stock

Abstract

Animals resolve conflicts over the share of resources by competing physically or signalling motivation with honest signals of need. In some species, young siblings vocally signal to each other their hunger level and the most vocal individual deters its siblings from competing for the non-divisible food item delivered at the next parental visit. This so… (More)
DOI: 10.1007/s00265-016-2114-2

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