Reptile and Amphibian Diversity

Number of species
1 4 8 11 15 18 22 25 29 32 36 39 43 46 50+
                             

Frogs and Toads

American Toad
Anaxyrus americanus
Last recorded in 2025
Blanchard's Cricket Frog
Acris blanchardi
Last recorded in 2025
Boreal Chorus Frog
Pseudacris maculata
Last recorded in 2025
Bullfrog
Lithobates catesbeianus
Last recorded in 2025
Cope's Gray Treefrog
Hyla chrysoscelis
Last recorded in 2025
Crawfish Frog
Lithobates areolatus
Last recorded in 1942
Fowler's Toad
Anaxyrus fowleri
Last recorded in 2025
Gray Treefrog
Hyla versicolor
Last recorded in 2025
Great Plains Toad
Anaxyrus cognatus
Last recorded in 2024
Green Frog
Lithobates clamitans
Last recorded in 2024
Northern Leopard Frog
Lithobates pipiens
Last recorded in 2025
Pickerel Frog
Lithobates palustris
Last recorded in 2024
Plains Leopard Frog
Lithobates blairi
Last recorded in 2025
Plains Spadefoot
Spea bombifrons
Last recorded in 2021
Southern Leopard Frog
Lithobates sphenocephalus
Last recorded in 2025
Spring Peeper
Pseudacris crucifer
Last recorded in 2025
Woodhouse's Toad
Anaxyrus woodhousii
Last recorded in 2025

Lizards

Five-lined Skink
Plestiodon fasciatus
Last recorded in 2024
Great Plains Skink
Plestiodon obsoletus
Last recorded in 2025
Northern Prairie Skink
Plestiodon septentrionalis
Last recorded in 2025
Six-lined Racerunner
Aspidoscelis sexlineatus
Last recorded in 2025
Slender Glass Lizard
Ophisaurus attenuatus
Last recorded in 2020

Salamanders

Blue-spotted Salamander
Ambystoma laterale
Last recorded in 2025
Central Newt
Notophthalmus viridescens louisianensis
Last recorded in 2025
Mudpuppy
Necturus maculosus
Last recorded in 2025
Smallmouth Salamander
Ambystoma texanum
Last recorded in 2025
Tiger Salamander
Ambystoma tigrinum
Last recorded in 2025

Snakes

Black Rat Snake
Pantherophis obsoletus
Last recorded in 2025
Brown Snake
Storeria dekayi
Last recorded in 2025
Bullsnake
Pituophis catenifer sayi
Last recorded in 2025
Common Garter Snake
Thamnophis sirtalis
Last recorded in 2025
Copperbelly Water Snake
Nerodia erythrogaster neglecta
Last recorded in 2025
Copperhead
Agkistrodon contortrix
Last recorded in 2023
Diamondback Water Snake
Nerodia rhombifer
Last recorded in 2025
Eastern Hognose Snake
Heterodon platirhinos
Last recorded in 2025
Eastern Massasauga Rattlesnake
Sistrurus catenatus
Last recorded in 2025
Graham's Crayfish Snake
Regina grahamii
Last recorded in 2025
Lined Snake
Tropidoclonion lineatum
Last recorded in 2024
Milk Snake
Lampropeltis triangulum
Last recorded in 2025
Northern Water Snake
Nerodia sipedon
Last recorded in 2025
Plains Garter Snake
Thamnophis radix
Last recorded in 2025
Prairie Kingsnake
Lampropeltis calligaster
Last recorded in 2025
Prairie Rattlesnake
Crotalus viridis
Last recorded in 2017
Prairie Ringneck Snake
Diadophis punctatus arnyi
Last recorded in 2025
Racer
Coluber constrictor
Last recorded in 2025
Redbelly Snake
Storeria occipitomaculata
Last recorded in 2025
Smooth Earth Snake
Virginia valeriae
Last recorded in 2025
Smooth Green Snake
Opheodrys vernalis
Last recorded in 2025
Speckled Kingsnake
Lampropeltis getula holbrooki
Last recorded in 2014
Timber Rattlesnake
Crotalus horridus
Last recorded in 2025
Western Fox Snake
Pantherophis vulpinus
Last recorded in 2025
Western Hognose Snake
Heterodon nasicus
Last recorded in 2025
Western Massasauga Rattlesnake
Sistrurus tergeminus
Last recorded in 1984
Western Ribbon Snake
Thamnophis proximus
Last recorded in 2025
Western Worm Snake
Carphophis vermis
Last recorded in 2015

Turtles

Blanding's Turtle
Emydoidea blandingii
Last recorded in 2025
Common Map Turtle
Graptemys geographica
Last recorded in 2025
Common Musk Turtle
Sternotherus odoratus
Last recorded in 2024
False Map Turtle
Graptemys pseudogeographica
Last recorded in 2024
Ornate Box Turtle
Terrapene ornata
Last recorded in 2025
Ouachita Map Turtle
Graptemys ouachitensis
Last recorded in 2024
Painted Turtle
Chrysemys picta
Last recorded in 2025
Red-eared Slider
Trachemys scripta elegans
Last recorded in 2025
Smooth Softshell Turtle
Apalone mutica
Last recorded in 2024
Snapping Turtle
Chelydra serpentina
Last recorded in 2025
Spiny Softshell Turtle
Apalone spinifera
Last recorded in 2025
Wood Turtle
Glyptemys insculpta
Last recorded in 2024
Yellow Mud Turtle
Kinosternon flavescens
Last recorded in 2025

Counties

Adair
Adams
Allamakee
Appanoose
Audubon
Benton
Black Hawk
Boone
Bremer
Buchanan
Buena Vista
Butler
Calhoun
Carroll
Cass
Cedar
Cerro Gordo
Cherokee
Chickasaw
Clarke
Clay
Clayton
Clinton
Crawford
Dallas
Davis
Decatur
Delaware
Des Moines
Dickinson
Dubuque
Emmet
Fayette
Floyd
Franklin
Fremont
Greene
Grundy
Guthrie
Hamilton
Hancock
Hardin
Harrison
Henry
Howard
Humboldt
Ida
Iowa
Jackson
Jasper
Jefferson
Johnson
Jones
Keokuk
Kossuth
Lee
Linn
Louisa
Lucas
Lyon
Madison
Mahaska
Marion
Marshall
Mills
Mitchell
Monona
Monroe
Montgomery
Muscatine
O'Brien
Osceola
Page
Palo Alto
Plymouth
Pocahontas
Polk
Pottawattamie
Poweshiek
Ringgold
Sac
Scott
Shelby
Sioux
Story
Tama
Taylor
Union
Van Buren
Wapello
Warren
Washington
Wayne
Webster
Winnebago
Winneshiek
Woodbury
Worth
Wright