(Reuters) – A federal judge in Montana on Thursday issued a court order temporarily blocking the first trophy hunts of Yellowstone-area grizzly bears in more than 40 years, siding with native American groups and environmentalists seeking to restore the animals’ protected status.

The 14-day restraining order by U.S. District Judge Dana Christensen in Missoula, Montana, came two days before Wyoming and Idaho were scheduled to open licensed grizzly hunts allowing as many as 23 bears in the two states to be shot and killed for sport.

Groups opposing the hunts had sought a restraining order while waiting for the judge to rule on the larger question of whether the federal government should return Endangered Species Act safeguards to grizzlies in…