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The California scrub jay (Aphelocoma californica) is a species of scrub jay native to western North America. It ranges from southern British Columbia throughout California and western Nevada near Reno to west of the Sierra Nevada. The California scrub jay was once lumped with Woodhouse's scrub jay and collectively called the western scrub jay.
The western scrub-jay is now made up of three species. These would be separated by the Great Basin, with the Pacific coastal lineage (California scrub-jay) and the island scrub-jay, as well as the inland lineage (Woodhouse's scrub-jay), with the Florida scrub-jay being a sister species.
The island scrub jay (Aphelocoma insularis), also known as the island jay or Santa Cruz jay, is a bird in the genus, Aphelocoma, which is endemic to Santa Cruz Island off the coast of Southern California. Of the over 500 breeding bird species in the continental U.S. and Canada, it is the only insular endemic landbird species. [3]
Western scrub jay has been split into the following species: . California scrub jay, Aphelocoma californica; Woodhouse's scrub jay, Aphelocoma woodhouseii; The island scrub jay, A. insularis, is a scrub jay and lives in the West, but was not part of the western scrub jay species.
The Florida scrub jay is endemic to the central highlands. It's bid to be state bird was shot down by a gun lobbyist's concerns over property rights
The Woodhouse's, California, island, and Florida scrub jay were once considered subspecies of a single "scrub jay" species. They are now believed to be distinct. [2] [11] [12] Beyond the close relationship of the "California" and island scrub jays, resolution of their evolutionary history has proven very difficult.
California scrub jay [116] [78] [79] [11] Aphelocoma californica: Eight specimen [80] [a] One of several birds that likely inhabited the oak forests at La Brea. California thrasher [116] [123] [56] Toxostoma redivivum: Six specimen including a cranial fragment [80] [a] Canyon towhee [121] Pipilo fuscus: Two incomplete lower mandibles
Pinyon jay; California scrub jay; Santa Cruz Island scrub jay; Yellow-billed magpie; Northwestern crow; Oak titmouse; Juniper titmouse; Mountain chickadee; Chestnut-backed chickadee; Pacific wren; Wrentit; Mountain bluebird; Varied thrush; Sage thrasher; California thrasher; Bendire's thrasher; Le Conte's thrasher; McKay's bunting; Green-tailed ...