PHOENIX — The cactus ferruginous pygmy owl native to Arizona, one of North America’s smallest raptors, was unprotected by the federal government for nearly two decades entering last week. The U.S.

Arizona's pygmy-owl will once more be protected under the Endangered Species Act. The U.S. Fish and Wildlife Service said Wednesday it would list the cactus ferruginous pygmy-owl as a threatened ...

PHOENIX — Two environmental groups filed a lawsuit Tuesday aimed at forcing the federal government to protect Arizona’s diminishing cactus ferruginous pygmy owl population under the Endangered Species ...

TUCSON, Ariz.— The Center for Biological Diversity filed suit today against the U.S. Fish and Wildlife Service for failing to finalize Endangered Species Act protections for the cactus ferruginous ...

One of Arizona’s tiniest owls may regain federal protections by the end of the year as climate change, habitat loss and invasive species threaten its future. The U.S. Fish and Wildlife Service, the ...

PHOENIX — Known for its small size and auburn color, the cactus ferruginous pygmy owl has environmentalists battling with federal officials over whether it should be protected. The Center for ...

For the past seven years a UA researcher has camped out in northern Mexico during the hot summer months looking for owl pellets and excrement. Aaron Flesch, a senior research specialist in the School ...