Snakes of SoCal · Venomous

Southern Pacific rattlesnake

Crotalus oreganus helleri

A venomous rattlesnake associated with coastal Southern California. Color and pattern vary, so identification should never rely on a single feature.

Southern Pacific rattlesnake in natural habitat

Identification

A rattle may be present, but rattles can be small, damaged, or silent. Keep distance rather than trying to inspect the head, eyes, or tail.

Typical habitat

Coastal and inland foothill habitats, brush, rocky areas, and developed edges where cover and prey are available.

Behavior

Usually avoids people when given room. A startled snake may defend itself and may not rattle first.

Identification should never require a closer look.

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