As many as one-third of Wisconsin's gray wolves likely died at the hands of humans in the months after thefederal government announced it was ending legal protections, according to a study released yesterday.Poaching and a February hunt that far exceeded kill quotas were largely responsible for the drop-off, Universityof Wisconsin scientists said, though some other scientists say more direct evidence is needed for some of thecalculations.Adrian Treves, an environmental studies professor, said his team's findings should raise doubts about havinganother hunting season this fall and serve notice to wildlife managers in other states with wolves.
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