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.

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 ...

Since the federal government listed the cactus ferruginous pygmy owl as endangered in 1997, it has been a point of conflict between developers and slow-growth advocates in Tucson (HCN, 8/30/99: A ...

After a federal judge upheld removal of the pygmy owl from the endangered species list, environmentalists are now asking the U.S. government to classify the bird as endangered in both Arizona and ...

On July 20, 2023, the U.S. Fish and Wildlife Service (Service) issued a final rule listing the cactus ferruginous pygmy-owl (Glaucidium brasilianum cactorum) (“Owl”) as a threatened subspecies with a ...

Cactus ferruginous pygmy owls are named for the saguaro cactuses they live in, their rusty-colored stripes, and their small size. They’re as fierce as they are small: These 2.5-ounce raptors prey on ...

An owl native to southern Texas and Arizona and northern Mexico is under threat from climate change, changing conditions and habitat fragmentation and loss. The U.S. Fish and Wildlife Service listed ...

A coalition of environmental groups says it will sue the federal government to restore the pygmy owl's endangered status unless the government decides within a week to do that on its own. The notice ...