Ibis - international journal of avian science,
Barred Owls reduce occupancy and breeding propensity of Northern Spotted Owl in a Washington old-growth forest http://ow.ly/mEfE5…
Barred Owls reduce occupancy and breeding propensity of Northern Spotted Owl in a Washington old-growth forest http://ow.ly/mEfE5…
New in The Condor: Despite long-term habitat protection, Mount Rainier National Park's Spotted Owl population has declined…