Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for Southwestern Willow Flycatcher; Final Rule
We, the U.S. Fish and Wildlife Service (Service), designate revised critical habitat for the southwestern willow flycatcher (Empidonax traillii extimus) (flycatcher) under the Endangered Species Act.
U.S. Fish and Wildlife Service. 2013. Endangered and threatened wildlife and plants; Designation of critical habitat for Southwestern Willow Flycatcher; Final rule. Federal Register 78(2):344-534.