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73 gray whales dead in 6 months on the west coast of North America - scientists don't understand why

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YoNews

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73 gray whales dead in 6 months on the west coast of North America - scientists don't understand why

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Since January, more than 70 dead gray whales have washed up on the coasts of California, Oregon, Washington, Alaska and Canada. That's the most in a single year since 2000, and scientists are concerned. Last week, the National Oceanic and Atmospheric Administration (NOAA) Fisheries designated these strandings as part of an Unusual Mortality Event (UME). Under the U.S. Marine Mammal Protection Act, the designation of a UME means that more resources and scientific expertise will be dedicated to investigating what's causing so many whales to die. Seeing numerous gray whales (Eschrichtius robustus) swimming along the west coast this time of year is expected. From about March to June, these large marine mammals swim north from the coast of Baja California, Mexico, to the cool, food-rich waters of the Bering and Chukchi seas, north of Alaska. They'll start their return trip south in November.
Source: 73 gray whales dead in 6 months on the west coast of North America - scientists don't understand why
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