内容简介
Friendlyandfascinating,dolphinsareoneofnature'smostintelligentanimals.Theyliveinfamiliescalledpodsandcanmakeaseriesof2,000high-pitchedclickstolocatefishinthewater.Despitetheirbeautyandplayfulness,dolphinsfaceseriousdangersfromcommercialfishingandhumanactivity.It'svitalthatpeoplesupportgovernmentallawstoprotectthesewonderfulcreatures.Award-winningsciencewriterSeymourSimonhasteamedupwiththeSmithsonianInstitutiontogiveyouanexpertviewoftheseclever,curious,andmischievousmammalsinafull-colorphotographicintroduction.