This work has had significant impact on the social and biological sciences and is now a classic point of reference for investigations of behavioral patterns. Lorenz presents his findings on the mechanism of aggression and how animals control destructive drives in the interest of the species. Transla...

This work has had significant impact on the social and biological sciences and is now a classic point of reference for investigations of behavioral patterns. Lorenz presents his findings on the mechanism of aggression and how animals control destructive drives in the interest of the species. Translated by Marjorie Kerr Wilson. A Helen and Kurt Wolff Book