Venomous animals in South Dakota
The ones that need the most respect: prairie rattlesnake. A bite from any of them is a medical emergency.
- 1 dangerous
- 1 medically significant
Where they turn up in South Dakota
- None recorded
- 1 species
- 2
- 3 to 4
- 5 or more
Venomous snakes in South Dakota
Venomous snakes in South Dakota: map, photos and look-alikes
Venomous spiders in South Dakota
Venomous spiders in South Dakota: map, photos and look-alikes
When they are out
- Venomous snakes
- Venomous spiders
Recorded, but not living here
- Rare records Tiger centipede 1 open record, latest 2010
A rare record means someone found or reported the animal once or a few times, but there is no known population. Many are strays, pets or hitchhikers in cargo.
Quick answers for South Dakota
Questions
How many venomous snakes live in South Dakota?
1 species: Prairie rattlesnake.
Are there brown recluse spiders in South Dakota?
No. There are no open records of the brown recluse from South Dakota, and the state is outside its range.
Are there scorpions in South Dakota?
No. There are no open records of native scorpions from the state.
When are venomous animals most active in South Dakota?
Most open records from South Dakota fall in February, September to October, December. Records follow when people are outdoors too, so treat this as a guide, not a rule.
What should I do after a bite or sting?
Call 911 for any venomous snakebite or a severe reaction. For spider bites and scorpion stings, call Poison Control at 1-800-222-1222, free and open 24/7.