U.S. Forest Service layoffs have upended surveys for spotted owls in Southern and Northern California, threatening data collection for the declining birds.

Analysis of the isotopes of their feathers rules out the possibility that they were born in captivity and suggests that they ...

A popular symbol of the decline of Northwest forests, the medium-sized, chocolatey-brown northern spotted owl depends on the old-growth forests ... as well as by slashing more than a million acres of ...

DESCRIPTION: The northern spotted owl is a medium-sized, dark brown owl with a barred tail; white spots on its head, neck, and back; and dark brown eyes surrounded by a large, heart-shaped facial disk ...

The spotted owl has been categorized as threatened under the Endangered Species Act since the 1990s, due in large part to the encroachment of barred owls on their habitat. Now, ecologists are ...

Elsewhere in the state, American white pelicans can be found near lakes, reservoirs and large rivers ... A follow-up visit about two weeks later spotted six adults and at least 12 juveniles ...