Venomous animals in Montana
The ones that need the most respect: prairie rattlesnake. A bite from any of them is a medical emergency.
- 1 dangerous
- 1 medically significant
- 1 painful, rarely serious
Where they turn up in Montana
- None recorded
- 1 species
- 2
- 3 to 4
- 5 or more
Venomous snakes in Montana
Venomous snakes in Montana: map, photos and look-alikes
Venomous spiders in Montana
Venomous spiders in Montana: map, photos and look-alikes
Scorpions in Montana
Scorpions in Montana: map, photos and look-alikes
When they are out
- Venomous snakes
- Venomous spiders
- Scorpions
Recorded, but not living here
- Rare records Western diamondback rattlesnake 4 open records, latest 1973
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 Montana
Questions
How many venomous snakes live in Montana?
1 species: Prairie rattlesnake.
Are there brown recluse spiders in Montana?
No. There are no open records of the brown recluse from Montana, and the state is outside its range.
Are there scorpions in Montana?
Yes: Northern scorpion.
When are venomous animals most active in Montana?
Most open records from Montana fall in June, September. 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.