Spotted Owls (Strix occidentalis) have faced a number of challenges for decades. A recent study provides evidence that designated protected areas are helping the Mexican Spotted Owl subspecies ...

Northern spotted owl, Strix occidentalis caurina, Deschutes forest, Oregon, (c) Kris Hennings/USDA Forest Service With those concerns in mind, the Environmental Protection Information Center (EPIC) ...

POPULATION TREND: Like the other two subspecies of spotted owl, California and Northern, Strix occidentalis lucida has suffered extensive population declines. Only about 2,100 owls are thought to ...

Northern Spotted owl, Strix occidentalis caurina, Deschutes forest, Oregon, (c) Kris Hennings/USDA Forest Service. Image is available for media use. The Center for Biological Diversity is a national, ...

We had better success with a broadcast of owl calls next to 12-meter (40-foot ... and energy expenditure of Strix varia (Barred Owls): Understanding the full diel cycle matters for enhancing ...