Prairie Rattlesnake
Crotalus viridis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyViperidae (Vipèrids)
- GenusCrotalus (Serp de cascavell)
- SpeciesCrotalus viridis (Prairie Rattlesnake)
📅 Monthly Probability
☀️🌙 When They're Spotted
Active throughout day and night · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Badlands National Park | 🇺🇸 United States | |
| 2 | Yellowstone National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Prairie Rattlesnake in Yellowstone National Park?
About 6% of visitor-days record a Prairie Rattlesnake sighting in Yellowstone National Park, based on 5 observer-days of citizen-science data from GBIF.
When is the best time to see Prairie Rattlesnake in Yellowstone National Park?
April has the highest sighting rate for Prairie Rattlesnake in Yellowstone National Park in our monthly data.