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2015-12-10. The northern spotted owl is in danger again. And this time it’s from another owl.

posted Dec 12, 2015, 3:21 PM by Alan Gould
By Darryl Fears, the Washington Post. For GSS A New World View chapter 3. Excerpt: ...Across that gorgeous emerald range, federally protected northern spotted owls and invasive barred owls are in a nasty turf war. In a new report from the front lines, a U.S. Geological Survey study says that spotted owls that the U.S. Fish and Wildlife Service placed on the endangered species list to save them from logging and development don’t stand a chance. Research shows that spotted owl populations have fallen by up to 77 percent in Washington state, up to 68 percent in Oregon and by more than half in California, based on some estimates. “In addition, population declines are now occurring on study areas in southern Oregon and northern California that were previously experiencing little to no detectable decline through 2009,” the USGS said in a statement about the report released Wednesday and published in The Condor: Ornithological Applications. ...Barred owls are an eastern species that migrated west. They compete with spotted owls in the mountainous forest for food and space. An earlier Fish and Wildlife study was frank about the severity of the problem. “Barred owls now outnumber spotted owls in many portions of [their] range,” it said. Wherever barred owls were established, spotted owl populations plummeted....  https://www.washingtonpost.com/news/energy-environment/wp/2015/12/10/northwest-side-story-in-this-deadly-turf-war-scientists-say-spotted-owls-are-losing/   See also Feds move ahead with plans to kill barred owls — to save spotted owls, 2013-07-23, By M. Alex Johnson, Staff Writer, NBC News.