Aggression and agonism in animals

area a wild animal consistently inhabits, patrols, and possibly defends

physiological reaction to a perceived threat or harmful event

violent conflict between two groups of chimpanzees in Tanzania during the 1970s

mating season of ruminant mammals

type of social hierarchy

social behaviour related to fighting; the term has broader meaning than aggressive behaviour because it includes threats, displays, retreats, placation, and conciliation

violent conflict between the Western and Central factions of Ngogo chimpanzees

theory that war and interpersonal aggression was the driving force behind human evolution