Statewide
Hawaii Reptiles and Amphibians by Month
Every reptile and amphibian with enough records anywhere in Hawaii, counted from observations inside the state line. Seasons can differ a lot across the state, so for a closer match, pick your ecoregion on the Hawaii page.
18 species
Peak and shoulder ratings are rough guidance, not a schedule. Weather, elevation and the year can shift any species by weeks.
Rare and protected species are left off on purpose. Look, don't take, and never handle a venomous snake.
Species out in 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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16 species at peak or shoulder in September
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peakAbout 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.