Study makes scientists question whether western Pacific gray whales are a separate population

April 16, 2015 5:59 PM

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Study makes scientists question whether western Pacific gray whales are a separate population

ANCHORAGE, Alaska (AP) — Scientists studying the migration of endangered western Pacific gray whales are questioning whether they're a separate population or simply California gray whales that have expanded their territory.

Western Pacific gray whales are the most endangered of the large whales. Only 150 remain.

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