Incredibly rare' gray whale spotted 200 years after extinction

The "incredibly rare" event was captured by the New England Aquarium aerial survey team.
Researchers say rising global temperatures may be a factor in the sighting.
A rare gray whale, which is usually found in the Pacific Ocean, was spotted 30 miles from Nantucket.

Incredibly rare gray whale spotted off Nantucket

Gray Whale spotted in Nantucket - Massachusetts Fishing - SurfTalk

An extremely rare gray whale was spotted in the Atlantic

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

Whale vanished 200 years ago seen off New England coast

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Gray whale sighted off New England 200 years after species' Atlantic extinction, Whales

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