Reptiles & Amphibians of Iowa
The reptiles & amphibians most often spotted in Iowa, ranked by recent research-grade observations.
20,482
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 20,482 research-grade observations across the 50 most-recorded species in Iowa. The most frequently seen is the American Toad, with 2,367 recorded sightings.
Most-observed reptiles & amphibians in Iowa
American Toad
Anaxyrus americanus
2,367 observations
American Bullfrog
Lithobates catesbeianus
2,210 observations
Painted Turtle
Chrysemys picta
1,855 observations
Northern Leopard Frog
Lithobates pipiens
1,369 observations
Blanchard's Cricket Frog
Acris blanchardi
1,306 observations
Common Garter Snake
Thamnophis sirtalis
1,184 observations
DeKay's Brownsnake
Storeria dekayi
1,174 observations
Common Watersnake
Nerodia sipedon
937 observations
Common Snapping Turtle
Chelydra serpentina
862 observations
Western Foxsnake
Pantherophis ramspotti
768 observations
Woodhouse's Toad
Anaxyrus woodhousii
714 observations
Plains Garter Snake
Thamnophis radix
646 observations
Boreal Chorus Frog
Pseudacris maculata
489 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
346 observations · iNaturalist
Green Frog
Lithobates clamitans
333 observations
Plains Leopard Frog
Lithobates blairi
307 observations
Eastern Milksnake
Lampropeltis triangulum
298 observations
Pond Slider
Trachemys scripta
255 observations
Western Ratsnake
Pantherophis obsoletus
248 observations
Spiny Softshell
Apalone spinifera
222 observations
Ring-necked Snake
Diadophis punctatus
213 observations
North American Racer
Coluber constrictor
169 observations
Northern Map Turtle
Graptemys geographica
165 observations
Eastern Tiger Salamander
Ambystoma tigrinum
156 observations
Gopher Snake
Pituophis catenifer
155 observations
Gray Treefrog
Dryophytes versicolor
146 observations · iNaturalist
False Map Turtle
Graptemys pseudogeographica
130 observations
Prairie Skink
Plestiodon septentrionalis
129 observations
Ornate Box Turtle
Terrapene ornata
126 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
120 observations · iNaturalist
Spring Peeper
Pseudacris crucifer
92 observations
Pickerel Frog
Lithobates palustris
92 observations
Eastern Hognose Snake
Heterodon platirhinos
86 observations
Red-bellied Snake
Storeria occipitomaculata
85 observations
Smooth Greensnake
Opheodrys vernalis
80 observations
Central Ratsnake
Pantherophis alleghaniensis
78 observations
Blanding's Turtle
Emydoidea blandingii
72 observations
Ouachita Map Turtle
Graptemys ouachitensis
66 observations
Timber Rattlesnake
Crotalus horridus
65 observations
Eastern Foxsnake
Pantherophis vulpinus
48 observations
Smooth Softshell
Apalone mutica
46 observations
Common Five-lined Skink
Plestiodon fasciatus
45 observations
Western Ribbon Snake
Thamnophis proximus
44 observations
Lined Snake
Tropidoclonion lineatum
39 observations
Plains Hognose Snake
Heterodon nasicus
27 observations
Plains Spadefoot
Spea bombifrons
26 observations
Eastern Newt
Notophthalmus viridescens
24 observations
Prairie Kingsnake
Lampropeltis calligaster
24 observations
Blue-spotted Salamander
Ambystoma laterale
22 observations
Great Plains Toad
Anaxyrus cognatus
22 observations
Reptiles & Amphibians in nearby places
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