Researchers are trying to figure out a mystery: Why are so many humpback whales, right whales, and other large mammals dying along the U.S. East Coast? One possible explanation is a shift in food habits.
But officials from NOAA and other agencies are pushing back on suggestions that wind farms might somehow be contributing to whale deaths.
"Those in oil and gas are called seismic air guns, and they're specifically designed to penetrate kilometers into the seafloor. So they're very high energy, very loud sources," Staaterman said. In contrast, she added, the tools used to prepare for offshore wind sites are"high resolution geophysical sources, and they're typically smaller in the amount of acoustic energy they put into the water column.
That's a particular threat this winter, when animals that are typically the whales' prey have reportedly come close to shore, NOAA officials say. That shift leads humpbacks and other whales to follow along, creating more overlap where whales and ships share the same waters.
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