Head to head
Mojave Rattlesnake vs Prairie Rattlesnake
A Mojave rattlesnake and a prairie rattlesnake are both western North American pit vipers built around ambush hunting, but they occupy different landscapes and carry very different reputations when it comes to what a bite actually involves.
| Mojave Rattlesnake | Prairie Rattlesnake | |
|---|---|---|
| Scientific name | Crotalus scutulatus | Crotalus viridis |
| Venom notability | Variable, sometimes strongly neurotoxic | Typical tissue-destroying rattlesnake venom |
| Habitat | Desert | Grassland |
| Shelter strategy | Natural rock crevices and burrows | Borrowed prairie dog and rodent burrows |
| Winter behaviour | Individual shelter | Large communal dens |
| Native range | Southwestern US and Mexico | Great Plains, Canada to Mexico |
| Diet | Small mammals, birds, lizards | Small mammals, birds, lizards |
| Conservation status | Least Concern | Least Concern |
Mojave Rattlesnake vs Prairie Rattlesnake: common questions
Which is more dangerous, the Mojave rattlesnake or the prairie rattlesnake?
The Mojave rattlesnake is generally considered medically more unpredictable, since some populations carry a potent neurotoxic venom component, Mojave toxin, in addition to typical tissue-destroying compounds, while the prairie rattlesnake's venom follows the more standard rattlesnake pattern, making its effects comparatively more consistent from bite to bite.
Do both snakes use burrows for shelter?
Both species use burrows, but differently: the prairie rattlesnake specifically favours burrows abandoned by prairie dogs and other rodents rather than digging its own, while the Mojave rattlesnake more typically shelters in natural rock crevices and self-made scrapes within its arid desert habitat.
Where does each rattlesnake live?
The Mojave rattlesnake is native to arid desert habitat across the southwestern United States and Mexico, while the prairie rattlesnake occupies grassland habitat across the Great Plains region from southern Canada through the central United States into northern Mexico, giving the two species largely separate, non-overlapping core ranges.