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 of Ornithology’s K. Lisa Yang Center for Conservation Bioacoustics, suggests that there are 2,218 to 2,328 adult owls on federally managed lands.
Click here for original story, New audio technique used for census of California Spotted Owls in the Sierra Nevada ecosystem
Source: Phys.org