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 ...

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 ...

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 — 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 ...

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 ...

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 ...

TUCSON, Ariz.— The Center for Biological Diversity and Defenders of Wildlife today sent the U.S. Fish and Wildlife Service a formal notice of intent to sue over the agency’s denial of Endangered ...

TUCSON, Ariz.— Following multiple petitions and lawsuits, the cactus ferruginous pygmy owl has a new chance for protection under the Endangered Species Act. As part of a lawsuit, the Center for ...

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 ...