Reptiles and Amphibians of Decatur County, Iowa

Frogs and Toads

American Toad
Anaxyrus americanus
Last recorded in 2020
Blanchard's Cricket Frog
Acris blanchardi
Last recorded in 2025
Boreal Chorus Frog
Pseudacris maculata
Last recorded in 2024
Bullfrog
Lithobates catesbeianus
Last recorded in 2018
Cope's Gray Treefrog
Hyla chrysoscelis
Last recorded in 1996
Gray Treefrog
Hyla versicolor
Last recorded in 1987
Northern Leopard Frog
Lithobates pipiens
Last recorded in 1978
Plains Leopard Frog
Lithobates blairi
Last recorded in 2021
Spring Peeper
Pseudacris crucifer
Last recorded in 2017

Lizards

Slender Glass Lizard
Ophisaurus attenuatus
Last recorded in 2015

Salamanders

Smallmouth Salamander
Ambystoma texanum
Last recorded in 1984
Tiger Salamander
Ambystoma tigrinum
Last recorded in 1942

Snakes

Black Rat Snake
Pantherophis obsoletus
Last recorded in 2024
Brown Snake
Storeria dekayi
Last recorded in 2025
Bullsnake
Pituophis catenifer sayi
Last recorded in 1973
Common Garter Snake
Thamnophis sirtalis
Last recorded in 2025
Eastern Hognose Snake
Heterodon platirhinos
Last recorded in 1942
Graham's Crayfish Snake
Regina grahamii
Last recorded in 1996
Lined Snake
Tropidoclonion lineatum
Last recorded in 1995
Milk Snake
Lampropeltis triangulum
Last recorded in 2020
Northern Water Snake
Nerodia sipedon
Last recorded in 2020
Prairie Kingsnake
Lampropeltis calligaster
Last recorded in 2025
Prairie Ringneck Snake
Diadophis punctatus arnyi
Last recorded in 2017
Racer
Coluber constrictor
Last recorded in 2025
Redbelly Snake
Storeria occipitomaculata
Last recorded in 2016
Smooth Earth Snake
Virginia valeriae
Last recorded in 2017
Smooth Green Snake
Opheodrys vernalis
Last recorded in 2017
Western Ribbon Snake
Thamnophis proximus
Last recorded in 2019
Western Worm Snake
Carphophis vermis
Last recorded in 1984

Turtles

Painted Turtle
Chrysemys picta
Last recorded in 2025
Smooth Softshell Turtle
Apalone mutica
Last recorded in 1973
Snapping Turtle
Chelydra serpentina
Last recorded in 2019
Spiny Softshell Turtle
Apalone spinifera
Last recorded in 1973