The Peruvian beaked whale (Mesoplodon peruvians) was unknown to science until 1976 and not formally described until 1990.
秘鲁鸟喙鲸的存在直到1976年才为科学所证实，到1990年才被正式载入档案。
The Peruvian beaked whale (Mesoplodon peruvians) was unknown to science until 1976 and not formally described until 1990.
秘鲁鸟喙鲸的存在直到1976年才为科学所证实，到1990年才被正式载入档案。
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