State herp calendar
Reptiles and Amphibians of Nevada
Nevada is almost all desert, from sagebrush basins to the Mojave. Lizards rule here. Common Side-blotched Lizards, Desert Spiny Lizards and Desert Horned Lizards are the most-reported herps. May is the busiest month. Several rattlesnakes live here, including the Sidewinder and Panamint Rattlesnake.
38 species3 ecoregions5 venomous
Search entire stateSpecies out across Nevada, by group and month
| Group | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snakes | 5 | 14 | 15 | 14 | 12 | 12 | 10 | 7 | 1 | |||
| Lizards | 1 | 3 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 3 | 1 |
| Turtles | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Frogs and Toads | 1 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 2 |
Numbers = species active that month (at peak or just starting / winding down).
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Hi, I'm Nick. I built Herp Calendar on my own and I keep it free, with no ads. If it has helped you find a herp this season, a small tip goes straight into the hosting and the data work. Only if you can spare it. Either way, I'm glad you're here.
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Ecoregions of Nevada
Seasons shift a lot between Nevada's ecoregions. Pick the one nearest you for a 12-month calendar of what's out.
Great Basin
28 speciesSagebrush desert where lizards rule and rattlesnakes den in the rocks.
View calendar →Mojave Desert
39 speciesCreosote desert where chuckwallas, horned lizards and several rattlesnakes live.
View calendar →Sierra Nevada
30 speciesGranite mountains where fence lizards, newts and garter snakes follow the snowmelt.
View calendar →Venomous here: Mojave Rattlesnake, Panamint Rattlesnake, Sidewinder, Southwestern Speckled Rattlesnake, Western Rattlesnake. Don't handle any snake you can't identify.
About Nevada
When are reptiles and amphibians most active in Nevada?
May is the busiest month in Nevada, with 33 species at peak activity. At least half of the area's species are active from March through October.
What reptiles and amphibians live in Nevada?
38 species have enough iNaturalist records to show here: 15 lizards, 15 snakes, 6 frogs and toads, and 2 turtles. The most-reported are the Common Side-blotched Lizard, Western Fence Lizard, and Desert Spiny Lizard.
Are there venomous snakes in Nevada?
Yes. The Western Rattlesnake, Sidewinder, Panamint Rattlesnake, Southwestern Speckled Rattlesnake, and Mojave Rattlesnake live here. Don't handle them.
Which reptiles and amphibians in Nevada are introduced?
The American Bullfrog and Mediterranean House Gecko are not native here.
Where does this data come from?
Activity calendars are built from iNaturalist research-grade observations (downloaded through GBIF, September 2026), corrected for how many people are out observing each month. Rare and protected species are left off on purpose.