State herp calendar
Reptiles and Amphibians of Maine
Maine is north woods, lakes and a rocky coast. Common Garter Snakes are the most-reported herp. Wood Frogs and Spring Peepers call right after ice-out, and Spotted Salamanders head to vernal pools. May is the busiest month, and no venomous snakes made the list here.
26 species2 ecoregions
Search entire stateSpecies out across Maine, by group and month
| Group | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snakes | 2 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 3 | |||
| Turtles | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | ||||
| Frogs and Toads | 5 | 8 | 9 | 7 | 7 | 7 | 8 | 6 | 2 | |||
| Salamanders | 5 | 6 | 6 | 4 | 3 | 4 | 4 | 4 | 3 | 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.
Pick your ecoregion
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Tap a region to see what's out
Ecoregions of Maine
Seasons shift a lot between Maine's ecoregions. Pick the one nearest you for a 12-month calendar of what's out.
About Maine
When are reptiles and amphibians most active in Maine?
May is the busiest month in Maine, with 21 species at peak activity. At least half of the area's species are active from March through October.
What reptiles and amphibians live in Maine?
26 species have enough iNaturalist records to show here: 9 frogs and toads, 7 snakes, 7 salamanders, and 3 turtles. The most-reported are the Common Garter Snake, Green Frog, and American Toad.
Are there venomous snakes in Maine?
No venomous snakes have enough records in Maine 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.