It has a bill that is curved and similar to the California quail. The wilderness protects habitats for American black bear, deer, Douglas squirrel, California quail and rattlesnakes. The species is not as widely introduced as the related California quail. Each tram features a different California symbol, like the California Golden Poppy or California Quail. The California quail is the state bird of California. California quail are common year around throughout the valley. California quail and mountain quail live on the mountain slopes. Gambel's quail can be commonly confused with California quail due to similar plumage. Ring-necked pheasants and California quail can be observed year-round. Birds common in the region include sage-grouse, California quail, and prairie falcon. California quail, chukar partridges, and mourning doves are also common. In addition, California quail are found in the canyon around the falls. The California quail is easily infected with western equine encephalomyelitis virus (WEEV). California quail, greater roadrunner, and common raven are also residents of the range. Once plentiful in San Francisco, by 2017 only one California quail remained in the city.