Statewide
Delaware Reptiles and Amphibians by Month
Every reptile and amphibian with enough records anywhere in Delaware, 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 Delaware page.
28 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 Delaware, by group and month
| Group | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snakes | 1 | 5 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 4 | 1 | |
| Lizards | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||||
| Turtles | 2 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 2 | ||
| Frogs and Toads | 4 | 7 | 10 | 11 | 9 | 9 | 9 | 9 | 8 | 1 | ||
| Salamanders | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 |
Numbers = species active that month (at peak or just starting / winding down).
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23 species at peak or shoulder in September
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shoulderAbout Delaware
When are reptiles and amphibians most active in Delaware?
April is the busiest month in Delaware, with 23 species at peak activity. At least half of the area's species are active from March through October.
What reptiles and amphibians live in Delaware?
28 species have enough iNaturalist records to show here: 11 frogs and toads, 7 snakes, 6 turtles, 2 salamanders, and 2 lizards. The most-reported are the Fowler's Toad, Painted Turtle, and Green Frog.
Are there venomous snakes in Delaware?
No venomous snakes have enough records in Delaware to make this list.
Which reptiles and amphibians in Delaware are introduced?
The Pond Slider is 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.