www.nytimes.com/2019/12/19/climate/climate-change-cold-turtles.html
This is one example of how the sixth extinction is playing out. Although this sounds contradictory, the turtles swim further north during the summer, given warmer water temperatures. However, temperatures drop below what the turtles can withstand as winter arrives.
The waters off Cape Cod and the Gulf of Maine are warming twice as fast as the oceans, for reasons not yet understood.