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According to recent findings, ancient penguins were huge animals, which researchers estimate weighed around 100 kilograms and may have stood as tall as an average human adult.
科学家最新发现，古代企鹅体型庞大，研究人员估计它们的体重约为100公斤，而且可能和一般成年人一样高。
On Tuesday, researchers reported in Nature Communications that the bird lived between 55 and 60 million years ago, in the time directly following the mass extinction of the dinosaurs.
周二，研究人员在《自然通讯》(Nature Communications)上的报道中称，这种鸟生活在5500到6000万年前，正是恐龙大规模灭绝之后。
Researchers say that the disappearance of gigantic penguins coincides with the rise of seals and toothed whales.
研究人员称，巨型企鹅的消失与海豹和齿鲸的出现几乎同时发生。
However, exactly how these mammals were able to push the gigantic birds to extinction remains a mystery.
然而，这些哺乳动物究竟是如何将巨大的鸟推向灭绝的，仍然是个谜。
译文属可可英语原创，未经允许，不得转载。
