Petition To List The Cactus Ferruginous Pygmy Owl As A Threatened Or Endangered Species Under The Endangered Species Act

The Center for Biological Diversity and Defenders of Wildlife hereby formally petition the U.S. Fish and Wildlife Service (also “Service”) to list one of the following entities of cactus ferruginous pygmy-owl: 1) the Arizona distinct population segment (“DPS”) of the cactus ferruginous pygmy-owl; 2) the Sonoran Desert DPS of the cactus ferruginous pygmy-owl; or 3) the western subspecies of cactus ferruginous pygmy-owl (G.