This is a preview. Log in through your library . Abstract In the arid southwestern United States, populations of native cavity-nesting birds are threatened by urbanization, degradation of riparian ...

Keep your eyes and ears open this summer, and you could spot an owl in your neighborhood. “We have five species that regularly occur in our urban areas: Great Horned owls, Western screech owls, barn ...

Standing on the red rocks of the Papago Buttes, Lisa Shender held a small speaker above her head that emitted the highpitched screech of the barn owl. Shender, an Arizona Game and Fish Department ...

Three screech-owls are found in North America: eastern, western and whiskered. But about 22 screech-owl species are found in the world, all in the Americas. Estimated breeding populations of ...

It was a magical time in my backyard for two weeks this past summer. One August morning I walked out the back door just at dawn to meet a friend for a “beat the heat” walk, when suddenly two birds ...

Owls are enigmatic birds, by turns mysterious, lovable, or spooky, depending on whom you ask. With over 200 species living on every continent except Antarctica, owls have super-tuned senses that help ...

Spotted: Three real owls along the woody edge of the campus home of the Rice University Owls. And the owl babes are cute, cute, cute. Fledglings also have been spotted in other parts of the city. At ...