Timber Rattlesnakes and Rough Green Snakes are both eastern species and are not found anywhere in the western United States. Western Diamondbacks and Red Diamondbacks are both found in California but are limited to the southern part of the state. You have five varieties of Garter snakes in or near your area representing three different species. If you can, get a copy of the third edition of Western Reptiles and Amphibians by Robert C Stebbins. Some herpetologists recognize some subspecies that Stebbins doesn't (which is normal in herpetology) but the book is the best single field guide you can use for your area. See Roger Conant for the Eastern part of the US. Here is a list of snakes found in or very near to Ukiah California.



Rubber Boa = Charina bottae

Ring-Necked Snake = Diadophis punctatus

Sharp Tailed Snake = Contia tenuis

California Whipsnake = Masticophis lateralis lateralis

Western Yellow-Bellied Racer = Coluber conctrictor mormon

Pacific Gopher Snake = Pituophis catenifer catenifer

St. Helena Mountain Kingsnake = Lampropeltis zonata zonata (or an intergrade)

California Kingsnake = Lampropeltis getula californiae

California Red-Sided Garter = Thamnophis sirtalis infernalis

Valley Garter = Thamnophis sirtalis fitchi

Coast Garter = Thamnophis elegans terrestris

Mountain Garter = Thamnophis elegans elegans

Oregon Aquatic Garter = Thamnophis atratus hydrophilus (or an intergrade)

Northern Pacific Rattlesnake = Crotalus viridis oreganus



Maybe but HIGHLY unlikely:

Long-Nosed Snake

Night Snake





Randy
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Firehouse Herps

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