BEND, Ore. (AP) — Conservation groups argue in a new lawsuit that Oregon violated its own Endangered Species Act by removing the endangered status of gray wolves.

The Bulletin reports (http://bit.ly/2ct2WV5 ) that the lawsuit was filed Tuesday, coinciding with preparations to update the state's wolf management plan.

The Oregon Fish and Wildlife Commission removed the wolf from the endangered species list last year, saying the species had rebounded within significant portions of its range.

But the Center for Biological Diversity's West Coast wolf organizer Amaroq Weiss says wolves are still in danger of extinction in Oregon and should not have been delisted. The group argues in its brief that wolves occupy only 8 percent of their natural range in Oregon.

Fish and Wildlife spokeswoman Michelle Dennehy had no comment on the conservation groups' filing.

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Information from: The Bulletin, http://www.bendbulletin.com