A 17-year study in Oregon, Washington and California found that removal of invasive barred owls arrested the population decline of the northern spotted owl, a native species threatened by invading barred owls and the loss ...
Plants & Animals
Jul 20, 2021
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187
The U.S. Fish and Wildlife Service is proposing to enlist shooters to kill more than 500,000 barred owls over the next 30 years in the Pacific Northwest to preserve habitat for northern spotted owls, a protected species.
Plants & Animals
Dec 6, 2023
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15
For the first time, researchers have estimated the spotted owl population across the entire Sierra Nevada ecosystem. The analysis, which was led by researchers from the University of Wisconsin-Madison and the Cornell Lab ...
Plants & Animals
Aug 28, 2023
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37
The northern spotted owl (Strix occidentalis caurina) is the "canary in the coal-mine" for the health of old-growth forests of the Pacific Northwest, U.S.A. This owl indicates the status of old-growth forest, which has dwindled ...
Plants & Animals
Oct 25, 2022
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11
Are forest fires a threat to the imperiled Spotted Owl? For years, different groups of scientists assumed so, but a new study turns this assumption on its head. Researchers from the John Muir Project, Pennsylvania State University, ...
Plants & Animals
Apr 16, 2021
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47
The Interior Department said it will eliminate from federal protection more than 3 million acres in California, Oregon and Washington vital to the northern spotted owl, a species considered endangered under federal law.
Plants & Animals
Jan 14, 2021
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6
This week, as some of the largest wildfires in decades continue to burn across U.S. western states, a group of pro-logging scientists and activists reignited the debate about spotted owls and wildfires by publishing a comment ...
Plants & Animals
Dec 7, 2020
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6
When the Northern Spotted Owl was protected under the Endangered Species Act in 1990, the primary threat to the species was the loss of the old-growth forest it depends on. However, new research published in The Condor: Ornithological ...
Ecology
Aug 8, 2019
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118
Forest fires are not a serious threat to populations of Spotted Owls, contrary to current perceptions and forest management strategies. According to a new study, mixed-severity fires actually are good for Spotted Owl populations, ...
Environment
Jul 24, 2018
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6
The Auk: Ornithological Advances presents a study on a Northern Spotted Owl pedigree, consisting of almost 14,200 individuals over 30 years, which determined inbreeding varies across the species' range. Selection against ...
Ecology
Jul 4, 2018
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