Reptiles & Amphibians of Iowa
The reptiles & amphibians most often spotted in Iowa, ranked by recent research-grade observations.
19,615
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 19,615 research-grade observations across the 50 most-recorded species in Iowa. The most frequently seen is the American Toad, with 2,250 recorded sightings.
Most-observed reptiles & amphibians in Iowa
American Toad
Anaxyrus americanus
2,250 observations
American Bullfrog
Lithobates catesbeianus
2,111 observations
Painted Turtle
Chrysemys picta
1,821 observations
Northern Leopard Frog
Lithobates pipiens
1,287 observations
Blanchard's Cricket Frog
Acris blanchardi
1,208 observations · iNaturalist
Common Garter Snake
Thamnophis sirtalis
1,147 observations
DeKay's Brownsnake
Storeria dekayi
1,129 observations
Common Watersnake
Nerodia sipedon
907 observations
Common Snapping Turtle
Chelydra serpentina
830 observations
Western Foxsnake
Pantherophis ramspotti
735 observations · iNaturalist
Woodhouse's Toad
Anaxyrus woodhousii
681 observations
Plains Garter Snake
Thamnophis radix
615 observations
Boreal Chorus Frog
Pseudacris maculata
475 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
332 observations · iNaturalist
Green Frog
Lithobates clamitans
311 observations
Plains Leopard Frog
Lithobates blairi
293 observations
Eastern Milksnake
Lampropeltis triangulum
290 observations
Pond Slider
Trachemys scripta
248 observations
Western Ratsnake
Pantherophis obsoletus
238 observations
Spiny Softshell
Apalone spinifera
212 observations
Ring-necked Snake
Diadophis punctatus
201 observations
North American Racer
Coluber constrictor
168 observations
Northern Map Turtle
Graptemys geographica
163 observations
Gopher Snake
Pituophis catenifer
154 observations
Gray Treefrog
Dryophytes versicolor
145 observations · iNaturalist
Eastern Tiger Salamander
Ambystoma tigrinum
144 observations
False Map Turtle
Graptemys pseudogeographica
128 observations
Ornate Box Turtle
Terrapene ornata
126 observations
Prairie Skink
Plestiodon septentrionalis
124 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
112 observations · iNaturalist
Spring Peeper
Pseudacris crucifer
86 observations
Eastern Hognose Snake
Heterodon platirhinos
86 observations
Red-bellied Snake
Storeria occipitomaculata
84 observations · iNaturalist
Smooth Greensnake
Opheodrys vernalis
78 observations
Central Ratsnake
Pantherophis alleghaniensis
76 observations
Pickerel Frog
Lithobates palustris
73 observations
Blanding's Turtle
Emydoidea blandingii
72 observations
Timber Rattlesnake
Crotalus horridus
61 observations
Ouachita Map Turtle
Graptemys ouachitensis
60 observations · iNaturalist
Eastern Foxsnake
Pantherophis vulpinus
46 observations · iNaturalist
Smooth Softshell
Apalone mutica
45 observations
Western Ribbon Snake
Thamnophis proximus
43 observations
Common Five-lined Skink
Plestiodon fasciatus
42 observations
Lined Snake
Tropidoclonion lineatum
38 observations
Plains Hognose Snake
Heterodon nasicus
27 observations
Plains Spadefoot
Spea bombifrons
25 observations
Eastern Newt
Notophthalmus viridescens
24 observations
Prairie Kingsnake
Lampropeltis calligaster
22 observations · iNaturalist
Blue-spotted Salamander
Ambystoma laterale
21 observations
Great Plains Toad
Anaxyrus cognatus
21 observations
Reptiles & Amphibians in nearby places
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