Northern Spotted Owl (IMAGE) Michigan State University Caption Barred owls -- unrivaled nocturnal predators and procreators -- are moving into the Pacific Northwest. They're encroaching on northern spotted owl (pictured) territories and outcompeting this smaller, threatened cousin. Credit Photo by Ray Davis Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.