In 2023, researchers found unprecedented levels of dangerous chemicals in eggs laid by New Hampshire loons.
Since then, ongoing testing has affirmed the sheer scope of pollution that New Hampshire wildlife and ecosystems must contend with, Loon Preservation Committee biologist Tiffany Grade said this month. As scientists press on with the research, they are striving to uncover more about what the levels mean for loons and their ecosystem at large and to trace some of the pollutants to their source.
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