- They dive...
它们迅速下潜 - ..only to be forced back up again by the experienced female.
却被经验丰富的雌虎鲸逼回海面 - And now, with the exhausted rays trapped against the surface,
精疲力竭的蝠鲼无路可逃 - she attacks...
雌虎鲸发动进攻 - ..and the young ones follow her lead.
年轻虎鲸则紧跟它的脚步 - This family are the only orca known to hunt rays like this...
这一家子是已知的虎鲸群中 唯一用这种方式捕猎蝠鲼的 - ..and they are lethally efficient.
而且效率十分之高