State herp calendar
Reptiles and Amphibians of Texas
Texas has the longest herp list on the site, and snakes are the biggest group. Pond Sliders, Green Anoles and Gulf Coast Toads are the most-reported herps. Texas Spiny Lizards climb trees and fences across much of the state. June is the busiest month. Several venomous snakes live here, including the Texas Coralsnake and Western Diamond-backed Rattlesnake.
162 species9 ecoregions11 venomous
Search entire stateSpecies out across Texas, by group and month
| Group | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snakes | 17 | 36 | 44 | 56 | 60 | 60 | 58 | 56 | 54 | 50 | 34 | 25 |
| Lizards | 13 | 21 | 30 | 36 | 35 | 35 | 35 | 36 | 35 | 30 | 24 | 17 |
| Turtles | 8 | 11 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 12 | 9 |
| Frogs and Toads | 19 | 21 | 29 | 33 | 35 | 34 | 34 | 33 | 31 | 28 | 23 | 17 |
| Salamanders | 6 | 6 | 6 | 7 | 5 | 4 | 2 | 2 | 2 | 5 | 7 | 6 |
Numbers = species active that month (at peak or just starting / winding down).
Keep Herp Calendar free
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.
Pick your ecoregion
Loading map…
Tap a region to see what's out
Ecoregions of Texas
Seasons shift a lot between Texas's ecoregions. Pick the one nearest you for a 12-month calendar of what's out.
Texas Hill Country
64 speciesLimestone hills and spring-fed rivers with spiny lizards and many snakes.
View calendar →Texas Blackland Prairies and Post Oak Savanna
71 speciesPrairie and post oak around the big Texas cities, with anoles, sliders and toads.
View calendar →Gulf Coast Prairies and Marshes
83 speciesCoastal marsh and prairie with alligators, anoles and a long snake list.
View calendar →Southern Plains
73 speciesCross timbers and prairie with spiny lizards, sliders and a long snake list.
View calendar →Chihuahuan Desert
61 speciesHot desert where earless lizards dart and rattlesnakes come out on warm nights.
View calendar →Piney Woods and Loess Hills
61 speciesPine forest and bottomlands with anoles, treefrogs, box turtles and cottonmouths.
View calendar →Southwestern Tablelands
36 speciesCanyons and breaks with prairie lizards, collared lizards and rattlesnakes.
View calendar →High Plains
24 speciesShortgrass prairie and playa lakes with plains toads and prairie rattlesnakes.
View calendar →Central Great Plains
49 speciesPrairie, farm ponds and river bottoms with toads, turtles and collared lizards.
View calendar →Venomous here: Broad-banded Copperhead, Eastern Black-tailed Rattlesnake, Eastern Copperhead, Mojave Rattlesnake, Northern Cottonmouth, Prairie Rattlesnake, Rock Rattlesnake, Texas Coralsnake, Timber Rattlesnake, Western Diamond-backed Rattlesnake, Western Massasauga. Don't handle any snake you can't identify.
About Texas
When are reptiles and amphibians most active in Texas?
June is the busiest month in Texas, with 133 species at peak activity. At least half of the area's species are active from February through November.
What reptiles and amphibians live in Texas?
162 species have enough iNaturalist records to show here: 60 snakes, 39 frogs and toads, 38 lizards, 17 turtles, 7 salamanders, and 1 alligator. The most-reported are the Pond Slider, Green Anole, and Gulf Coast Toad.
Are there venomous snakes in Texas?
Yes. The Western Diamond-backed Rattlesnake, Northern Cottonmouth, Eastern Copperhead, Broad-banded Copperhead, Texas Coralsnake, Eastern Black-tailed Rattlesnake, Timber Rattlesnake, Mojave Rattlesnake, Rock Rattlesnake, Prairie Rattlesnake, and Western Massasauga live here. Don't handle them.
Which reptiles and amphibians in Texas are introduced?
The Mediterranean House Gecko, Brown Anole, Spotted House Gecko, and Moorish 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.