California Red-sided Garter Snake
The California red-sided garter snake (''Thamnophis sirtalis infernalis'') is a subspecies of the common garter snake. This slender subspecies of Natricinae, natricine snake is indigenous to North America and is one of three recognized subspecies of ''Thamnophis sirtalis'' found in California. While commonly confused with the subspecies ''T. s. concinnus'', it is biologically part of the population of the subspecies ''San_Francisco_garter_snake, T. s. tetrataenia'', as pointed out by Boundy and Rossman (1995), but was preserved as ''T. s. infernalis'' as a neotype under ICZN code Article 75 in a 2000 decision by the International Commission on Zoological Nomenclature (ICZN) in 2000 in order to preserve the existing subspecies taxonomy. Most California red-sided garter snakes have a pattern of blue stripes on a black and red background. Their average total length is about 55 cm (22 in), with a maximum total length of about 100 cm (39 in). Description ''Thamn ...
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Sonoma County, California
Sonoma County () is a county (United States), county located in the U.S. state of California. As of the 2020 United States Census, its population was 488,863. Its county seat and largest city is Santa Rosa, California, Santa Rosa. It is to the north of Marin County, California, Marin County and the south of Mendocino County, California, Mendocino County. It is west of Napa County, California, Napa County and Lake County, California, Lake County. Sonoma County comprises the Santa Rosa-Petaluma Metropolitan Statistical Area, which is part of the San Jose, California, San Jose-San Francisco-Oakland, California, Oakland, CA San Jose-San Francisco-Oakland, CA Combined Statistical Area, Combined Statistical Area. It is the northernmost county in the nine-county San Francisco Bay Area region. In California's Wine Country (California), Wine Country region, which also includes Napa, Mendocino, and Lake counties, Sonoma County is the largest producer. It has thirteen approved American Vit ...
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