Human aggression typologies largely correspond with those for other animals. While there
may be no non-human equivalent of angry reactive aggression, we propose that human …

In domestic cattle, the relationship between dominance and allogrooming behaviour has
been investigated in several studies. However, the results do not show a consistent pattern …

Conflicts between social groups or “intergroup contests” are proposed to play a major role in
the evolution of cooperation and social organization in humans and some nonhuman animal …

Cerebral lateralization, ie hemispheric asymmetries in structure and function, relates in
many species to a preference to attack from their left. Lateralization increases cognitive …

Highlights•Tennis grunts are human nonverbal vocalizations produced in competitive
interactions.•We show that grunt pitch (F0) indicates a player's sex but not age or body …

In vertebrates, aggression has been traditionally associated with high levels of circulating
androgens in breeding males. Nevertheless, the centrality of androgens as primary …

Highlights•Aggression is a key behaviour not well integrated within life history research.•We
quantified the effects of age and experience on the use of aggression.•We studied three …

Third-party interventions may regulate conflicts to reduce aggression and promote cohesion
amongst group members, but are rarely documented in ungulates. The white-lipped peccary …

Mirror image stimulation has a long history of being used to quantify aggressive behaviour
but its suitability has recently been questioned because behavioural responses towards a …

Competitive dyadic interactions frequently attract the attention of bystanders that follow and
disrupt the ongoing contest. The motivation for bystanders to engage in such third-party …