Reptiles & Amphibians of Iowa
The reptiles & amphibians most often spotted in Iowa, ranked by recent research-grade observations.
19,921
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 19,921 research-grade observations across the 50 most-recorded species in Iowa. The most frequently seen is the American Toad, with 2,295 recorded sightings.
Most-observed reptiles & amphibians in Iowa
American Toad
Anaxyrus americanus
2,295 observations
American Bullfrog
Lithobates catesbeianus
2,146 observations
Painted Turtle
Chrysemys picta
1,831 observations
Northern Leopard Frog
Lithobates pipiens
1,327 observations
Blanchard's Cricket Frog
Acris blanchardi
1,242 observations · iNaturalist
Common Garter Snake
Thamnophis sirtalis
1,155 observations
DeKay's Brownsnake
Storeria dekayi
1,145 observations
Common Watersnake
Nerodia sipedon
913 observations
Common Snapping Turtle
Chelydra serpentina
837 observations
Western Foxsnake
Pantherophis ramspotti
741 observations · iNaturalist
Woodhouse's Toad
Anaxyrus woodhousii
695 observations
Plains Garter Snake
Thamnophis radix
623 observations
Boreal Chorus Frog
Pseudacris maculata
479 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
341 observations · iNaturalist
Green Frog
Lithobates clamitans
312 observations
Plains Leopard Frog
Lithobates blairi
300 observations
Eastern Milksnake
Lampropeltis triangulum
298 observations
Pond Slider
Trachemys scripta
250 observations
Western Ratsnake
Pantherophis obsoletus
243 observations
Spiny Softshell
Apalone spinifera
216 observations
Ring-necked Snake
Diadophis punctatus
203 observations
North American Racer
Coluber constrictor
170 observations
Northern Map Turtle
Graptemys geographica
163 observations
Gopher Snake
Pituophis catenifer
156 observations
Gray Treefrog
Dryophytes versicolor
145 observations · iNaturalist
Eastern Tiger Salamander
Ambystoma tigrinum
144 observations
False Map Turtle
Graptemys pseudogeographica
129 observations
Prairie Skink
Plestiodon septentrionalis
127 observations
Ornate Box Turtle
Terrapene ornata
126 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
119 observations · iNaturalist
Spring Peeper
Pseudacris crucifer
88 observations
Eastern Hognose Snake
Heterodon platirhinos
87 observations
Red-bellied Snake
Storeria occipitomaculata
84 observations · iNaturalist
Pickerel Frog
Lithobates palustris
82 observations
Smooth Greensnake
Opheodrys vernalis
80 observations
Central Ratsnake
Pantherophis alleghaniensis
75 observations
Blanding's Turtle
Emydoidea blandingii
72 observations
Timber Rattlesnake
Crotalus horridus
64 observations
Ouachita Map Turtle
Graptemys ouachitensis
61 observations · iNaturalist
Eastern Foxsnake
Pantherophis vulpinus
46 observations · iNaturalist
Smooth Softshell
Apalone mutica
45 observations
Common Five-lined Skink
Plestiodon fasciatus
44 observations
Western Ribbon Snake
Thamnophis proximus
43 observations
Lined Snake
Tropidoclonion lineatum
39 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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