L. David Mech, « Schenkel’s Classic Wolf Behavior Study Available in English » (consulté le ) : « ...Schenkel’s 1947 “Expressions Studies on Wolves”, the study that gave rise to the now outmoded notion of alpha wolves. That concept was based on the old idea that wolves fight within a pack to gain dominance and that the winner is the “alpha” wolf. Today we understand that most wolf packs consist of a pair of adults called “parents” or “breeders,” and their offspring. »