自然世界：虎鲸真面目

Thekillerwhalewaslongfearedasaseamonsteruntil,inMay1964,onewasbroughtintocaptivityforthefirsttime.Thisspawnedajourneyofdiscoveryintothekillerwhale'struenature.Itquicklybecameclear,thesewerenotmindlesskillers-theywere,infact,highlyintelligentsocialcreatures.Today,ourunderstandingisdeepeningstillfurtherandthelatestrevelationsareamongthemostsensational-notonlywillthesetoppredators'adopt'andcareforinjuredandabandonedorphans,butitseemsthere'snolongerjustthe'killerwhale'ddd