Directory Results for Fish and Wildlife Service 50 CFR Part 17 Endangered and Threatened Wildlife and Plants Designating the Northern Rocky Mountain Population of Gray Wolf as a Distinct Population Segment and Removing This Distinct Population Segment From the - to Fish and Wildlife Service 50 CFR Part 17 Endangered and Threatened Wildlife and Plants Designation of Revised Critical Habitat for Southwestern Willow Flycatcher Proposed Rule - fws