Henrietta the river herring is not a particularly glamorous fish. But she’s got grit. Every summer, she swims out to the Atlantic ocean, and every spring, she makes the 500 mile journey back to Maryland’s Patapsco River, where she was born—a habitat that’s been only partially accessible to herring like her for more than a century. But this year will be different. Join the Smithsonian Environmental Research Center’s herring tagging team as they study what happens to herring like Henrietta when someone gives a dam.
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