On the regulation of pack size in wolves.
D000374:Aggression; D000818:Animals; D002335:Carnivora; D004463:Ecology; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D008297:Male; D011157:Population Dynamics; D011235:Predatory Behavior; D012621:Seasons; D012726:Sexual Behavior, Animal; D012919:Social Behavior; D012930:Social Dominance; D013037:Spatial Behavior