EntityQ16247797· pop 5· linked from 19 articlesdear enemy effectSign in to saveanimal behavior of less aggression towards established rivals than towards strangersConnectionsethologyEntityCharles DarwinEntityInternational Standard Book NumberEntityRichard DawkinsEntitypasserinesEntityEurasian badgerEntityEuropean RobinEntityJane GoodallPersonEurasian Red SquirrelEntityhydrocarbonEntitydigital object identifierEntityInternational Standard Serial NumberEntityLittle OwlEntityKonrad LorenzEntitybird of preyEntityCastor fiberEntityDian FosseyEntityEdward O. WilsonEntityJSTOREntityKarl von FrischEntityCategoriesBehavioral ecologyEthologyEvolutionary psychologySociobiology