Mouse killing by rats: roles of hunger and thirst in its initiation and maintenance.
D000374:Aggression; D000818:Animals; D001522:Behavior, Animal; D005260:Female; D005508:Food Deprivation; D006801:Humans; D006815:Hunger; D007323:Instinct; D008297:Male; D051379:Mice; D051381:Rats; D011919:Rats, Inbred Strains; D012737:Sex Factors; D013894:Thirst; D013997:Time Factors