Verymobileearshelpmanyanimalsdirecttheirattentiontother...
问题详情：Verymobileearshelpmanyanimalsdirecttheirattentiontotherustle(沙沙声)ofapossibleattacker.Researcherssaythesemobileearshavebecomeausefulcommunicationtool.Theirstudiesofanimalbehaviourbuildupapic...