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Reptiles & Amphibians of Chicago, Illinois

The reptiles & amphibians most often spotted near Chicago, ranked by recent research-grade observations.

15,279
recent observations
50
species listed
50
reptiles & amphibians

Naturalists have logged 15,279 research-grade observations across the 50 most-recorded species near Chicago. The most frequently seen is the Pond Slider, with 2,112 recorded sightings.

Most-observed reptiles & amphibians near Chicago

Pond Slider
Trachemys scripta
2,112 observations
Painted Turtle
Chrysemys picta
1,963 observations
American Toad
Anaxyrus americanus
1,906 observations
American Bullfrog
Lithobates catesbeianus
1,325 observations
Common Garter Snake
Thamnophis sirtalis
1,134 observations
Common Snapping Turtle
Chelydra serpentina
1,068 observations
Plains Garter Snake
Thamnophis radix
857 observations
DeKay's Brownsnake
Storeria dekayi
737 observations
Common Watersnake
Nerodia sipedon
719 observations
Blue-spotted Salamander
Ambystoma laterale
555 observations
North American Green Frog
Lithobates clamitans
359 observations
Northern Leopard Frog
Lithobates pipiens
354 observations
Spiny Softshell
Apalone spinifera
230 observations
Boreal Chorus Frog
Pseudacris maculata
181 observations
Spotted Salamander
Ambystoma maculatum
165 observations
Eastern Foxsnake
Pantherophis vulpinus
165 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
145 observations · iNaturalist
Eastern Tiger Salamander
Ambystoma tigrinum
131 observations
Unisexual Mole Salamander
Ambystoma unisexual
118 observations · iNaturalist
Queensnake
Regina septemvittata
112 observations
Common Five-lined Skink
Plestiodon fasciatus
106 observations
Spring Peeper
Pseudacris crucifer
99 observations
Northern Map Turtle
Graptemys geographica
89 observations
Eastern Newt
Notophthalmus viridescens
80 observations
Eastern Milksnake
Lampropeltis triangulum
73 observations
Smooth Greensnake
Opheodrys vernalis
70 observations
Gray Treefrog
Dryophytes versicolor
69 observations · iNaturalist
Red-bellied Snake
Storeria occipitomaculata
51 observations
Fowler's Toad
Anaxyrus fowleri
45 observations
Blanchard's Cricket Frog
Acris blanchardi
42 observations
Common Mudpuppy
Necturus maculosus
34 observations
North American Racer
Coluber constrictor
27 observations
Eastern Musk Turtle
Sternotherus odoratus
24 observations
Blanding's Turtle
Emydoidea blandingii
22 observations
River Cooter
Pseudemys concinna
20 observations
Eastern Hognose Snake
Heterodon platirhinos
16 observations
Brown Anole
Anolis sagrei
14 observations
False Map Turtle
Graptemys pseudogeographica
11 observations
Common Box Turtle
Terrapene carolina
7 observations
Spotted Turtle
Clemmys guttata
7 observations
Plains Leopard Frog
Lithobates blairi
7 observations
Slender Glass Lizard
Ophisaurus attenuatus
6 observations
Western Ribbon Snake
Thamnophis proximus
6 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
4 observations · iNaturalist
Greenhouse Frog
Eleutherodactylus planirostris
3 observations
Three-toed Box Turtle
Terrapene triunguis
3 observations
Cuban Tree Frog
Osteopilus septentrionalis
2 observations
Eastern Red-backed Salamander
Plethodon cinereus
2 observations
Mediterranean House Gecko
Hemidactylus turcicus
2 observations
Green Iguana
Iguana iguana
2 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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