The math for 2017 is pretty clear: fourteen North Atlantic right whales are known to have died, while only five new babies were sighted. It's the most dramatic example yet of what scientists have been saying for a few years, and what a new analysis makes official: these highly endangered whales are on the decline. Entanglements and ship strikes are the leading causes of death for North Atlantic right whales, as well as other large whales. The most recent North Atlantic right whale death was a