Hunger, prey feeding, and predatory aggression.
D000374:Aggression; D000818:Animals; D001070:Appetitive Behavior; D004435:Eating; D005247:Feeding Behavior; D006126:Group Processes; D006801:Humans; D006815:Hunger; D007031:Hypothalamus / Q000502:physiology; D051379:Mice; D011214:Practice, Psychological; D051381:Rats; D012054:Reinforcement, Psychology; D012527:Satiation; D013045:Species Specificity; D013217:Starvation