Gray wolves are a major conservation success story. They went from being nearly eradicated from the US to being taken off the endangered species list at the beginning of this year. But some experts are now worried that hard work to save the wolf is rapidly coming undone. With federal protections no longer in place, wolf hunting is on the rise. Adrian Treves is a professor of Environmental Studies at the University of Wisconsin-Madison. He’s been studying how wolf populations have changed throughout 2021. (Segment produced by Sam Faulconer)
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