Anyone who lives near a busy highway can sympathize with the North Atlantic right whale: Research released Wednesday shows the leviathans off New England’s coast are subject to such a constant undersea din it is difficult for them to hear each other most of the time. It is a hazard that could be hindering the critically endangered species’ ability to navigate and avoid predators. Global trade and the cruise industry have brought more, larger, and noisier ships to the region.
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