Reptiles & Amphibians of Indiana Dunes National Park
The reptiles & amphibians most often spotted in Indiana Dunes, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Indiana Dunes
Eastern Red-backed Salamander
Plethodon cinereus
205 observations
Green Frog
Lithobates clamitans
157 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
157 observations · iNaturalist
Painted Turtle
Chrysemys picta
134 observations
DeKay's Brownsnake
Storeria dekayi
119 observations
Common Snapping Turtle
Chelydra serpentina
110 observations
Common Garter Snake
Thamnophis sirtalis
103 observations
Common Watersnake
Nerodia sipedon
103 observations
American Toad
Anaxyrus americanus
94 observations
Eastern Hognose Snake
Heterodon platirhinos
87 observations
American Bullfrog
Lithobates catesbeianus
81 observations
Spring Peeper
Pseudacris crucifer
59 observations
Wood Frog
Lithobates sylvaticus
46 observations
Fowler's Toad
Anaxyrus fowleri
45 observations
Gray Treefrog
Dryophytes versicolor
29 observations · iNaturalist
Common Box Turtle
Terrapene carolina
26 observations
Blue-spotted Salamander
Ambystoma laterale
21 observations
Northern Leopard Frog
Lithobates pipiens
16 observations
North American Racer
Coluber constrictor
15 observations
Eastern Milksnake
Lampropeltis triangulum
12 observations
Boreal Chorus Frog
Pseudacris maculata
7 observations
Four-toed Salamander
Hemidactylium scutatum
7 observations
Western Chorus Frog
Pseudacris triseriata
6 observations
Spotted Turtle
Clemmys guttata
6 observations
Blanding's Turtle
Emydoidea blandingii
5 observations
Eastern Newt
Notophthalmus viridescens
3 observations
Eastern Tiger Salamander
Ambystoma tigrinum
2 observations
Slender Glass Lizard
Ophisaurus attenuatus
2 observations
Pond Slider
Trachemys scripta
2 observations
Northern Map Turtle
Graptemys geographica
2 observations
Common Ribbon Snake
Thamnophis saurita
2 observations · iNaturalist
Common Mudpuppy
Necturus maculosus
1 observation
Spiny Softshell
Apalone spinifera
1 observation
Eastern Musk Turtle
Sternotherus odoratus
1 observation
Western Ribbon Snake
Thamnophis proximus
1 observation
Central Ratsnake
Pantherophis alleghaniensis
1 observation
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