Fig. 4
From: Third-party intervention and post-conflict behaviour in agonistic encounters of pigs (Sus scrofa)
Role of familiarity. Proportion of aggressive acts shown by the bystanders towards the initiator and victim of the original dyadic fight, according to familiarity. Proportions are calculated as the number of times the interferer attacked the initiator/victim divided by the total number of third-party interactions. Numbers in italics represent the calculated proportions. Asterisks show the significance of the association between familiarity and behaviour of the interferer based on the two-proportions Z-test