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Scientists warn of faulty wolf estimates
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MADISON (AP) - Scientists are warning federal wildlife officials that Wisconsin's Department of Natural Resources produced a flawed wolf population estimate for the 18 months after January 2012 when the animals were removed from a federal endangered species list. The researchers, led by Adrian Treves, a UW-Madison environmental studies professor, said the DNR's 2012-13 wolf monitoring report omitted information on how many radio-collared wolves disappeared, didn't report the date of death of radio-collared animals that were recovered, or acknowledge the effects of poaching on the population. The DNR under-reported wolf mortality at 28.22 percent, the researchers said in a letter sent to the U.S.