10.6084/m9.figshare.6061742.v1 J. F. Duque J. F. Duque W. Leichner W. Leichner H. Ahmann H. Ahmann J. R. Stevens J. R. Stevens Data for "Mesotocin influences pinyon jay prosociality" The Royal Society 2018 altruism corvid prosocial behaviour prosocial choice task mesotocin oxytocin 2018-03-29 11:55:43 Dataset https://rs.figshare.com/articles/dataset/Data_for_Mesotocin_influences_pinyon_jay_prosociality_/6061742 These data come from a prosocial choice task conducted on captive pinyon jays. Experiment 1 measured baseline preferences (i.e. without hormonal manipulation), and Experiment 2 involved administration of a high or low dose of mesotocin (the avian homolog of oxytocin) or a saline control.