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Why do gray whales migrate?

Updated: 11/17/2022
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12y ago

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To escape the frosty winter in the north. Each October, as the northern ice pushes southward, small groups of gray whales in the eastern Pacific start a two to three-month, 8,000-11,000 kilometers trip south. Traveling night and day, the gray whale averages approximately 120 kilometers per day at an average speed of 8 kilometers per hour. This round trip of 16,000-22,000 kilometers is believed to be the longest annual migration of any mammal

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Q: Why do gray whales migrate?
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