An extremely rare gray whale was spotted in the Atlantic. Scientists say it's only the beginning.

The healthy animal, spotted March 1 off Cape Cod, used the ice-free Northwest Passage to access waters unknown to the species for more than two hundred years.

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An aerial unit with the New England Aquarium made a rare sighting

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Rare sighting of gray whale off New England coast

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Rare gray whale, extinct in the Atlantic for 200 years, spotted

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John Beard on X: An extremely rare whale was spotted in the Atlantic. Scientists say it's only the beginning. - National Geographic / X

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