The owls are threatened by habitat destruction and fragmentation, climate change and invasive species, especially fire-promoting grasses. “The fierce little cactus ferruginous pygmy owl needs our care ...

These owls are secondary-cavity nesters, meaning they use cavities excavated by woodpeckers and other species in saguaro cactuses and trees. They prey on a variety of insects, lizards and small ...

Two environmental groups filed a lawsuit Tuesday aimed at forcing the federal government to protect Arizona's diminishing cactus ferruginous pygmy owl population.

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 ...

The cactus ferruginous pygmy-owl was the species that spurred the initiation of the interagency Sonoran Desert Conservation Plan planning process in 1997.

Four cactus ferruginous pygmy-owls hatched at the Phoenix Zoo as part of a pilot breeding program. A solution to the limited number of owls in Arizona has been captive breeding.

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 ...

Lawsuit seeks to protect threatened owls from being bulldozed by proposed Arizona highway Cactus ferruginous pygmy owls are likely to be impacted by the proposed Interstate 11, a lawsuit alleges ...

The Center for Biological Diversity said the cactus ferruginous pygmy-owl population in Arizona was listed as endangered from 1997 to 2006, but it lost its protections after a lawsuit from developers.

A female pygmy owl flies from its nest in a cactus in the Sonoran Desert. Arizona researchers have been tracking the owls to learn more about them.

Cactus ferruginous pygmy-owl, amid habitat fragmentation and loss, is now a federal threatened species, according to the U.S. Fish and Wildlife Service.

Four tiny, fluffy pygmy owls have hatched in the last month as part of a Phoenix Zoo breeding program for the cactus-dwelling species.