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BBC媒体英语新闻:Whale makes record journey 灰鲸创哺乳动物迁徙距离最长纪录(mp3下载)

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BBC媒体英语新闻:灰鲸创哺乳动物迁徙距离最长纪录,含有新闻文本及mp3免费下载。
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Scientists tracked the migration of the gray whale from one side of the North Pacific to the other and back again. The round trip took 172 days and covered 14,000 miles.

Researchers were surprised the female could find her way from the coast of Russia across the Bering Sea then down to breeding grounds off Mexico.

Conservationists say the small numbers of rare gray whales living in waters off eastern Russia may be part of a larger population travelling back and forth across the Pacific.

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