Voluntary food sharing in pinyon jays: the role of reciprocity and dominance

• Published in: Animal behaviour Vol. 122; pp. 135 - 144
• Main Authors: Duque, Juan F., Stevens, Jeffrey R.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.12.2016
• Subjects: adults; animal behavior; Chiroptera; corvid; Corvidae; direct reciprocity; dominance; fish; food sharing; generalized reciprocity; Gymnorhinus cyanocephalus; males; Primates; prosocial behaviour; rats; researchers; social behavior; food sharing; prosocial behaviour; corvid; dominance; generalized reciprocity; direct reciprocity

Food sharing offers a clear example of prosocial behaviour, in which one individual's actions benefit another. Researchers have proposed a range of hypotheses that explain why food sharing may occur among unrelated individuals. Two such hypotheses, reciprocity and dominance, have been tested in...