粗略地讲， 这些动物在生态系统中所占的位置现在被海豚和杀手鲸一类的齿鲸类占据。
Roughly speaking, these animals filled the ecological niches now occupied by toothed cetaceans such as dolphins and killer whales.
作为地球上最大型的齿鲸类，抹香鲸已经被国际自然保护联盟列入了高灭绝风险的野外物种之列。
The largest toothed whales on Earth, sperm whales are listed as vulnerable-or facing a high risk of extinction in the wild-by the International Union for Conservation of Nature.
被禁止沿海捕杀小须鲸的村民不只捕杀海豚，还会转而捕杀不包括在国际捕鲸协会禁令内的齿鲸，这是更为珍惜的鲸类。
As well as going after dolphins, villagers not allowed to hunt the minke whales along the coast have turned to hunting (rarer) toothed whales not covered by the IWC's moratorium.
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