Endangered North Atlantic right whales are approaching extinction. An Unusual Mortality Event was declared for North Atlantic right whales in 2017, and currently includes 122 individuals (36 dead, 35 seriously injured, and 51 sublethally injured or ill). The primary causes of the UME are entanglements in fishing gear and vessel strikes in both U.S. and Canadian waters, which are long-standing threats to the recovery of the species.
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