Psychology, Department of
ORCID IDs
0000-0002-2655-8526
0000-0003-2375-1360
Date of this Version
2018
Document Type
Article
Citation
Duque, J.F., Leichner, W., Ahmann, H. & Stevens, J.R. (2018). Mesotocin influences pinyon jay prosociality. Biology Letters, 14(4), 20180105. (doi:10.1098/rsbl.2018.0105)
Abstract
Many species exhibit prosocial behavior, in which one individual’s actions benefit another individual, often without an immediate benefit to itself. The neuropeptide oxytocin is an important hormonal mechanism influencing prosociality in mammals, but it is unclear whether the avian homologue mesotocin plays a similar functional role in birds. Here, we experimentally tested prosociality in pinyon jays (Gymnorhinus cyanocephalus), a highly social corvid species that spontaneously shares food with others. First, we measured prosocial preferences in a prosocial choice task with two different payoff distributions: Prosocial trials delivered food to both the subject and either an empty cage or a partner bird, whereas Altruism trials delivered food only to an empty cage or a partner bird (none to subject). In a second experiment, we examined whether administering mesotocin influenced prosocial preferences. Compared to choices in a control condition, we show that subjects voluntarily delivered food rewards to partners, but only when also receiving food for themselves (Prosocial trials), and administration of high levels of mesotocin increased these behaviors. Thus, in birds, mesotocin seems to play a similar functional role in facilitating prosocial behaviors as oxytocin does in mammals, suggesting an evolutionarily conserved hormonal mechanism for prosociality.
Supplementary materials
duque_etal_2018_data.csv (439 kB)
Data
duque_etal_2018_rcode.R (32 kB)
R code
Included in
Animal Sciences Commons, Animal Studies Commons, Behavior and Ethology Commons, Cognition and Perception Commons, Cognitive Psychology Commons, Evolution Commons, Other Ecology and Evolutionary Biology Commons, Other Psychology Commons