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California will reexamine its gray wolf conservation policies — including tactics North State ranchers use to protect cattle — now that the endangered and protected species' pack numbers are ...

The U.S. Fish and Wildlife authorized the "removal" of a Mexican gray wolf in eastern Arizona in connection with attacks on cattle grazing on public lands. The removal order specified that only a ...

A federal agency mistakenly killed an endangered and possibly pregnant Mexican gray wolf in Arizona. According to the U.S. Fish and Wildlife Service, an unknown federal agency killed a 7-year-old ...

For the first time in 16 years, Washington state’s overall gray wolf population decreased from the year before, based on information gathered by the state’s Department of Fish and Wildlife and ...

Now, researchers have bred gray-wolf pups that carry genes of their ancient cousins. By Carl Zimmer Carl Zimmer writes the “Origins” column and has covered de-extinction for more than a decade.