No,that is not true there are many other venomous snakes!
No only rattlesnakes live in California.
In the southwestern US they are found in the desert region of eastern California, southern Nevada, southwestern Utah and western Arizona. In Mexico it is found in western Sonora and eastern Baja California. The type locality is listed as the "borders of the Mohave river, and in the desert of the Mohave".
Pigmy, and timber rattlesnakes..In southern Mississippi, these two species are joined by the eastern diamondback in the southern areas of the state.
Riverside is a small county in southern California. It is home to many people, including me. == ==
Rattlesnakes are found in a wide variety of habitats from southern Canada all the way south into much of South America.
Rattlesnakes are native to the Americas, ranging from southern Alberta and southern British Columbia in Canada to Central Argentina.
In the southern part of the state rattlesnakes may be abroad on warm days in February but will usually not move far from their den.
Rattlesnakes do not need to be saved. They're doing a fine job of populating the Southern United States without any help from us.
Northern California.
The northern Pacific rattlesnake (Crotalus oreganus oreganus) is found in British Columbia.
Yes, sidewinders are poisonous. They are a member of the rattlesnake family and exist in deserts of southern California, Arizona and Nevada to Mexico
Yes. California's southern border touches Mexico, including both San Diego and Imperial counties.