For all their differences, both the California spotted owl (Strix occidentalis
occidentalis) and the Jemez Mountains salamander (Plethodon neomexicanus) are experiencing similar alterations to their respective habitats.
Key words: California Spotted Owl, detection probability, occupancy, Sierra Nevada, Strix occidentalis
I recollect camping there as a kid, hearing Mexican spotted owls (Strix occidentalis
lucida) at night, the whisper of winds over the conifers, and the spattering of water pouring over stones in the canyon bottom in nothing more than a silver rill.
Although all living things are held sacred in the tribe's traditional culture, it was not until the listing of the northern spotted owl (Strix occidentalis
caurina) as a threatened species in 1990 that the tribe hired a wildlife biologist.
Although the federal safety net has not yet been invoked, recent legal proceedings have tried to force the federal government to action over the spotted owl (Strix occidentalis
caurina) in British Columbia and the boreal population of woodland caribou (R.
Many of these silent stalkers are listed as endangered species (in danger of dying out)--from the barn owl found on every continent except Antarctica, to the northern spotted owl, Strix occidentalis
caurina (stricks awks-ih-den-TAL-is cohr-EE-na), of the Pacific Northwest.
Concern also has been expressed about the possible effect of Barred Owl presence on the Northern Spotted Owl (Strix occidentalis
caurina) (USDI 1990, 1992; Gutierrez 1994).
The planting will restore critical habitat for many threatened, endangered, and sensitive species, including the California spelled owl (Strix occidentalis
Under the plan, large blocks of reserves are being managed for older forest habitat over an approximately 24 million-acre (9.7 million-hectare) area to address the conservation needs of the threatened northern spotted owl (Strix occidentalis
caurina) and a multitude of other listed and non-listed species.
During our analysis, we noted 5 other species of owls including Great Horned Owl (Bubo virginianus), California Spotted Owl (Strix occidentalis
occidentalis), Northern Saw-whet Owl (Aegolius acadicus), Northern Pygmy Owl (Glaucidium gnoma), and Flammulated Owl (Otus flammeolus).
The Upper San Pedro Basin uplands provide significant habitat for the threatened Mexican spotted owl (Strix occidentalis
lucida) and the nectar-feeding lesser long-nosed bat (Leptonycteris curosoae yerbabuenae).