Like its cousins the Mexican and northern spotted owls, the California spotted owl is a bellwether of old-growth forests. This owl's classic four-note call was once commonly heard throughout the big ...

A popular symbol of the decline of Northwest forests, the medium-sized, chocolatey-brown northern spotted owl depends on the old-growth forests that once stretched in an unbroken ribbon from Alaska to ...

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 ...