Northern spotted owl - Wikipedia
The northern spotted owl (Strix occidentalis caurina) is one of three spotted owl subspecies. A western North American bird in the family Strigidae, genus Strix, it is a medium-sized dark brown owl native to the Pacific Northwest.
Northern Spotted Owl - U.S. Fish and Wildlife Service
2022年3月15日 · The northern spotted owl is the largest of three subspecies of spotted owls, and inhabits structurally complex forests from southwestern British Columbia, through Washington and Oregon, and into northern California.
Northern spotted owl - Washington Department of Fish & Wildlife
The northern spotted owl is relatively long-lived, has a long reproductive lifespan, invests significantly in parental care, and exhibits high adult survivorship. The majority of pairs do not breed every year.
Northern Spotted Owl - National Wildlife Federation
Northern spotted owls are one of three subspecies of spotted owls. The other two are the Mexican spotted owl and the California spotted owl. Each of these owls is brown with white spots, but the northern spotted owl is the darkest brown with the smallest spots and has darker facial disks (the feathers surrounding the eyes).
Spotted owl - Wikipedia
The spotted owl (Strix occidentalis) is a species of true owl. It is a resident species of old-growth forests in western North America, where it nests in tree hollows, old bird of prey nests, or rock crevices. Nests can be between 12 and 60 metres (39 and 197 ft) high and usually contain two eggs (though some contain as many as four).
Northern Spotted Owl - American Bird Conservancy
The dark-eyed Northern Spotted Owl is an "indicator species" for old-growth forests, meaning scientists study the bird to get a larger picture of the health of the ecosystem it shares with species such as Marbled Murrelet, Swainson's Thrush, Western Tanager, and Evening Grosbeak.
Northern spotted owls are now one of the most stud-ied birds in the world. Much of the research and interest in spotted owls stem from the economic and ecological implications surrounding management for the subspecies.
Spotted Owl | Audubon Field Guide
Because it requires old-growth forest, this owl has been at the center of fierce controversy between conservationists and the logging industry in the Pacific Northwest. The owl itself seems anything but fierce: it has a gentle look, and it preys mostly on small mammals inside the forest.
Northern Spotted Owl - The Oregon Encyclopedia
The northern spotted owl (Strix occidentalis caurina), one of three subspecies of the spotted owl in North America, is a midsized bird, weighing 600 to 800 grams (about 1¼ to 1¾ pounds), that lives primarily in the dense, older forests of western Oregon, where trees are more than 120 years old. Spotted owls do their part to maintain a healthy ...
Northern spotted owl (threatened) - Pacific Forest Trust
A medium-sized, chocolate brown owl with dark eyes, the northern spotted owl is a nocturnal “perch-and-pounce” predator that captures its prey (primarily small forest mammals) with its claws. Like most owl species, the spotted owl nests in the tops of trees or in cavities of naturally deformed or diseased trees.