State herp calendar
Reptiles and Amphibians of Hawaii
Hawaii has no native land reptiles or amphibians. Every one here was brought in. Gold Dust Day Geckos, Brown Anoles and Cane Toads are the ones people see most, and Common Coquis are loud on the Big Island. Things stay active all year, and May is the busiest month.
18 species1 ecoregion
Search entire stateSpecies out across Hawaii, by group and month
| Group | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snakes | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| Lizards | 9 | 9 | 8 | 8 | 9 | 9 | 10 | 9 | 8 | 7 | 7 | 8 |
| Turtles | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Frogs and Toads | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 6 | 6 | 4 | 4 | 5 |
Numbers = species active that month (at peak or just starting / winding down).
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Ecoregions of Hawaii
Seasons shift a lot between Hawaii's ecoregions. Pick the one nearest you for a 12-month calendar of what's out.
About Hawaii
When are reptiles and amphibians most active in Hawaii?
May is the busiest month in Hawaii, with 17 species at peak activity. At least half of the area's species are active all year.
What reptiles and amphibians live in Hawaii?
18 species have enough iNaturalist records to show here: 10 lizards, 6 frogs and toads, 1 turtle, and 1 snake. The most-reported are the Gold Dust Day Gecko, Brown Anole, and Cane Toad.
Are there venomous snakes in Hawaii?
No venomous snakes have enough records in Hawaii to make this list.
Which reptiles and amphibians in Hawaii are introduced?
The Gold Dust Day Gecko, Brown Anole, Cane Toad, and Mourning 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.