Reptiles & Amphibians of Big Bend National Park
The reptiles & amphibians most often spotted in Big Bend, ranked by recent research-grade observations.
Naturalists have logged 6,610 research-grade observations across the 50 most-recorded species in Big Bend. The most frequently seen is the Greater Earless Lizard, with 967 recorded sightings.
Rarer finds confirmed in Big Bend include Eastern Black-tailed Rattlesnake and Southwestern Blackhead Snake - uncommon enough that a sighting is worth logging.
Most-observed reptiles & amphibians in Big Bend
Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.
Reptiles & Amphibians in nearby places
Out spotting reptiles & amphibians in Big Bend?
Take Huck with you. Identify any reptiles & amphibian you find in seconds and build your collection.
Get HuckLove reptiles & amphibians? Get Huck field notes
Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.