How common are snake bites in California?

Abstract. Poisonous snakebites happen in all sections of California, but they are especially frequent in Southern California. An estimated 221 (138 in-patients and 83 out-patients) people were bitten by snakes annually, an incidence of 1.41 bites per 100,000 people.

Where are rattlesnakes in the Bay Area?

A venomous rattlesnake sits in the tall grass along the Miwok Trail in Round Valley Regional Preserve. Rattlesnakes are common throughout the East Bay Regional Park District and other Bay Area open spaces.

What month do most snake bites occur?

Most bites occur between the months of April and October when snakes and humans are most active outdoors. About 25 percent of the bites are “dry,” meaning no venom was injected, but the bites still require medical treatment.

What’s the most venomous snake in California?

Crotalus oreganus (often called the Western Rattlesnake) is the most common venomous snake in California, and is comprised of three subspecies: Crotalus oreganus helleri, Crotalus oreganus lutosus, and Crotalus oreganus oreganus.

How do you identify a California rattlesnake?

All rattlesnakes in California have a blotched pattern on the back and a rattle on the end of the tail which the snake sometimes uses as a warning sound. (The rattle is sometimes missing on young snakes and may be broken off on adults, so don’t automatically assume that a snake with no rattle is not a rattlesnake.)

Does the Bay Area have snakes?

Most snakes in the San Francisco Bay Area are active during warm and sunny weather, typically from late February through October, and remain underground at other times. Brown or tan with dark markings on the back and often rusty coloring on the back and head. Probably the most commonly seen snake in our area.

Is the California Kingsnake poisonous?

They are relatively immune to some types of snake venom, including rattlesnake and coral snake (4). California kingsnakes are non-venomous, instead killing their prey by constriction (1).

Do gopher snakes bite?

Gopher snakes are nonvenomous but can still inflict a painful bite.

How do you know if you’ve been bitten by a snake?

swelling, bruising or bleeding from the bite. bite marks on the skin — these might be obvious puncture wounds or almost invisible small scratches. swollen and tender glands in the armpit or groin of the limb that has been bitten. tingling, stinging, burning or abnormal feelings around the skin.

How long do you have after a snake bite?

Swelling may become apparent within 15 minutes and becomes massive in 2-3 days. It may persist for up to 3 weeks. The swelling spreads rapidly from the site of the bite and may involve the whole limb and adjacent trunk. Regional lymphadenopathy may develop.