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Why are so many gray whales dying?

Name: Why are so many gray whales dying?
Uploaded: 2019-06-23T18:16:00-0400
Duration: 2 min 1 s
Description: At least 167 gray whales have washed ashore from Mexico to Alaska since January. Experts say that's probably just a fraction that have actually died. Jonathan Vigliotti explains.

At least 167 gray whales have washed ashore from Mexico to Alaska since January. Experts say that's probably just a fraction that have actually died. Jonathan Vigliotti explains.