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WOWRI field crews working with long-term bald eagle monitoring programs say they’ve found empty nests where aerial surveys previously documented young birds. They’ve also seen malnourished eaglets, damaged nests and signs that some adult bald eagles may be attempting to nest a second time after earlier failures.
Scientists are using baby eagle blood to assess the health of Michigan’s environment. Because eagles are top predators, heavily linked to lakes and rivers, they provide a proxy for water quality.
The health of bald eagles, an animal at the top of its food chain, is an indication of both the overall health of the environment and the effects of PFAS and other contaminants, which may also endanger humans.
Empty nests and vacant territories signal an uncertain road to recovery for Michigan’s bald eagle population. Four years ago, a highly pathogenic strain of avian flu spread across the country, claiming an estimated 40% of the state’s breeding pairs.
Samples of blood taken from bald eagle chicks before they learn to fly show that legacy pollution, even contaminants banned decades ago, continue to harm Michigan’s natural environment ...
14:22 video highlighting the visit to an eagles nest, our research, and visiting the nest.
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