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[PDF] ARE BARRED OWLS DISPLACING SPOTTED OWLS? | Semantic Scholar

Barred Owl Occupancy Surveys within the Range of the Northern Spotted Owl

Investigation of response behavior, detection probabilities, and landscape occupancy patterns of barred owls in western Oregon, USA, during conspecific versus spotted owl call-broadcast surveys suggest that research and management strategies to address potential competitive interactions between spotted owls and barred owl will require carefully designed, species-specific survey methods.

The Journal of Wildlife Management

An overview of the barred owl’s range expansion and detail is provided and previously published literature on spotted and barred owls within the range of the spotted owl as related to potential future outcomes for the northern spotted owl is synthesized.