Prairie Rattlesnake
Crotalus viridis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyViperidae (Vipèrids)
- GenusCrotalus (Serp de cascavell)
- SpeciesCrotalus viridis (Prairie Rattlesnake)
The prairie rattlesnake or Great Plains rattlesnake (Crotalus viridis) is a venomous pit viper species native to the western United States, southwestern Canada, and northern Mexico. Currently, two subspecies are recognized, including the prairie rattlesnake (C. v. viridis), the nominate subspecies, and the Hopi rattlesnake (C. v. nuntius). Wikipedia →
<5% of wildlife watchers report a Prairie Rattlesnake sighting in Yellowstone National Park, based on 5 days of visitor records from GBIF citizen-science data.
📅 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 4% of wildlife watchers report a Prairie Rattlesnake sighting in Yellowstone National Park, based on 5 days of visitor records from GBIF citizen-science data.
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.