Habitat Management Series for Unique and Endangered Species. Report Number 10: Spotted Owl, 'Strix occidentalis'

摘要

The spotted owl (Strix occidentalis) is a medium to large, non-migrating owl inhabiting dense coniferous forests and deeply shaded canyons in coastal and mountainous areas of western North America. Three subspecies have been named: Strix occidentalis occidentalis, the California spotted owl; Strix occidentalis lucida, the Mexican Spotted owl; and Strix occedentalis caurina, the northern spotted owl. Spotted owls prefer to prey on mammals, but will also prey on birds amphibians and insects. Spotted owls usually nest in trees, tree hollows, and natural cliffside cavities.