Efforts to save a tiny native desert owl hang in the balance under the Trump administration's pending changes to the ...

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 ...

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 ...

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.— Following multiple petitions and lawsuits, the U.S. Fish and Wildlife Service today again protected the cactus ferruginous pygmy owl as threatened under the Endangered Species Act after ...

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 ...

A Tucson environmental group filed suit Thursday to try to force the federal government to move faster on protecting the once-endangered pygmy owl and a flock of other species it says are imperiled.

A nonprofit that specializes in protecting endangered species filed legal challenges with a US District Court on Thursday, accusing the Federal Highway Administration (FHA) of failing to comply with ...

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 ...

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 ...