ed owls are found in northern spotted owl habitat. The California owls have been found at least as far north as Central Oregon in the Cascades and the Coast ranges. The mixing extends to Humboldt County in extreme northern California. The team did not find evidence for genetic mixing between either California or northern spotted owl subspecies and the Mexican spotted owl subspecies.
These data, along with other information, such as population estimates and assessment of habitat fragmentation, can be used to assess the status and recovery efforts for spotted owls, she says. Haig and her colleagues are now completing additional analyses of genetic differences among the three subspecies.
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Contact: Susan Haig
United States Geological Survey
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