northern spotted owl watching from tree branch in tree camoflauged in green forest

activists adult american beak bird brown california camouflage camouflaged canada caurina colored controversial dark decline disturbance endangered environmentalists eyed eyes feathers forest green growth habitat indicator leaves logging loss mature medium monogamous natural nature nocturnal north northern northwest occidentalis old oregon owl population predator prey raptor sized species spots spotted states strigidae strix talons territorial threatened united white wild wildlife wings