Now, young dolphins learn a lot as they're growing up, and they use their teenage years to practice social skills, and at about the age of nine, the females become sexually mature, so they can get pregnant, and the males mature quite a bit later, And dolphins are very promiscuous, and so we have to determine who the fathers are, so we do paternity tests by collecting fecal material out of the water and extracting DNA.
若いイルカは成長過程で多くを学びます 10代に当たる年齢で社交術を学びます 9歳頃になると 雌のイルカは 性的に成熟し 妊娠可能になります 雄はかなり遅れて 15歳頃に成熟します イルカは不特定の相手と関係を持つので 父親が誰なのか調べねばなりません そこで水中から排泄物を集めて