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A study of red-shouldered hawk home range and habitat use in southern California found average home range of 1.2 square kilometres (0.46 sq mi) and showed fair adaptability to human-altered landscapes, which is important as riparian forest habitat has diminished by 98% from 1850 to 1977 in California's Central Valley. [17]
The California quail is the official state bird of California. This list of birds of California is a comprehensive listing of all the bird species seen naturally in the U.S. state of California as determined by the California Bird Records Committee (CBRC). [1] Additional accidental and hypothetical species have been added from different sources.
Two of the larger, more widespread other Buteos are the Swainson's hawk and the ferruginous hawks and, as with many other birds of prey, red-tailed hawks occur in almost the entirety of these birds' breeding ranges. [10] [212] These species have broadly similar breeding season diets, especially the ferruginous and red-tailed hawks.
The great majority of this hawk's prey are small birds, especially various songbirds such as sparrows, wood-warblers, finches, wrens, nuthatches, tits, icterids and thrushes. Birds caught range in size from a 4.4 g (0.16 oz) Anna's hummingbird to a 577 g (1.272 lb) ruffed grouse and
Red-tailed hawks are the most common hawk across the U.S., known for their reddish-brown tail and rounded wings. Kimberly Stroud, executive director of the Ojai Raptor Center, also confirmed the ...
California's diverse geography gives rise to dozens of ecosystems, each of which has its own native plants and animals. California is a huge state, the third largest in the U.S., and ranges broadly in habitats. [3] Earth scientists typically divide California into eleven distinct geomorphic provinces with clearly defined boundaries.
The osprey (/ ˈ ɒ s p r i,-p r eɪ /; [2] Pandion haliaetus), historically known as sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor, reaching more than 60 cm (24 in) in length and 180 cm (71 in) across the wings. It is brown on the upperparts and predominantly greyish ...
The savanna hawk (Buteogallus meridionalis) is a large raptor found in open savanna and swamp edges. It was formerly placed in the genus Heterospizias. It breeds from Panama and Trinidad south to Bolivia, Uruguay and central Argentina. [2] There are also reports of it in California, from 1973 in Alameda County and from 1974 in San Diego County. [3]