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The dog’s agressive behavior In ethological terms, aggression is defined as a “physical act or threatening action that one individual commits against another, thereby limiting his very freedom and genetic potential.” Several different types of aggressive behavior can be distinguished: predatory aggression, hierarchical aggression, frustration-induced aggression, territorial and maternal aggression and fear-induced aggression. Save for predatory aggression and fear-induced aggression,

The behavorial evolution of dogs through domestication The exact date when dogs were first domesticated (Canis familiaris) is unknown. Domestication most likely occurred in diverse civilizations and regions of the world and, according to certain authors, is thought to have begun at the end of the Paleolithic period. The dog is often said to have originated from the gray wolf