Barred owl
Detailed Description
Barred owls (Strix varia) have expanded their geographic range from eastern to western North America. Their newly expanded range now completely overlaps that of the federally threatened northern spotted owl (S. occidentalis caurina).
Sources/Usage
Public Domain.
Related
Scientists Provide an Understanding of Anticoagulant Rodenticide Exposure in Non-Target Bird Species
U.S. Geological Survey scientists and their partners utilize laboratory and field studies and existing information to improve understanding of anticoagulant rodenticide exposure and effects to wild birds.
Effects of Experimental Removal of Barred Owls on Population Demography of Northern Spotted Owls in the Pacific Northwest
Barred owls ( Strix varia) have expanded their geographic range from eastern to western North America, and their newly expanded range now completely overlaps that of the federally threatened northern spotted owl ( S. occidentalis caurina; Gutiérrez et al. 2007, Livezey 2009, USFWS 2013). Evidence from long-term demographic studies indicates that the presence of barred owls has contributed...
Related
Scientists Provide an Understanding of Anticoagulant Rodenticide Exposure in Non-Target Bird Species
U.S. Geological Survey scientists and their partners utilize laboratory and field studies and existing information to improve understanding of anticoagulant rodenticide exposure and effects to wild birds.
Effects of Experimental Removal of Barred Owls on Population Demography of Northern Spotted Owls in the Pacific Northwest
Barred owls ( Strix varia) have expanded their geographic range from eastern to western North America, and their newly expanded range now completely overlaps that of the federally threatened northern spotted owl ( S. occidentalis caurina; Gutiérrez et al. 2007, Livezey 2009, USFWS 2013). Evidence from long-term demographic studies indicates that the presence of barred owls has contributed...