Nature2017-2020North Atlantic (US/Canada coastal waters)low confidence

The ongoing North Atlantic right whale unusual mortality event includes 41 whales: 31 dead whales and 10 whales last seen alive with severe entanglements or vessel-strike injuries.

Notes on verification

Confirmed by NOAA primary sources and corroborated by multiple independent contemporaneous reports (Smithsonian, IFAW, NRDC, Defenders of Wildlife, HSLF) all citing the same 31 dead + 10 injured = 41 total figures for the ongoing UME as of mid-2020.

Sources