State herp calendar
Reptiles and Amphibians of Alaska
Alaska is too cold for almost every herp. Only the Wood Frog and Western Toad have enough records to make the list. Wood Frogs spend the winter frozen solid and thaw out in spring. June is the busiest month.
2 species1 ecoregion
Search entire stateSpecies out across Alaska, by group and month
| Group | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frogs and Toads | 1 | 2 | 2 | 2 | 2 | 2 | 1 |
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 Alaska
Seasons shift a lot between Alaska's ecoregions. Pick the one nearest you for a 12-month calendar of what's out.
About Alaska
When are reptiles and amphibians most active in Alaska?
June is the busiest month in Alaska, with 2 species at peak activity. At least half of the area's species are active from April through October.
What reptiles and amphibians live in Alaska?
2 species have enough iNaturalist records to show here: 2 frogs and toads. The most-reported are the Wood Frog and Western Toad.
Are there venomous snakes in Alaska?
No venomous snakes have enough records in Alaska to make this list.
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.