Northern Spotted Owl (image) Michigan State University Share Print E-Mail 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 Share Print E-Mail 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.