Field Guide

Reptiles and Amphibians

Showing 1 - 10 of 12 results
Media
Image of American Bullfrog
Species Types
Scientific Name
Lithobates catesbeianus (formerly Rana catesbeiana)
Description
The American bullfrog is Missouri’s largest frog. This common species is easy to hear on warm nights when the males call a deep, sonorous “jug-a-rum, jug-a-rum” that can be heard from half a mile away.
Media
Eastern gartersnake
Species Types
Scientific Name
Thamnophis sirtalis sirtalis
Description
The eastern gartersnake is Missouri's most common gartersnake. The color is variable (dark brown, greenish, or olive), but there are normally three yellowish stripes, one down the back and one on each side.
Media
Image of a gray treefrog
Species Types
Scientific Name
Hyla versicolor and H. chrysoscelis
Description
Sticky pads on fingers and toes enable these two gray treefrogs to climb and rest on vertical surfaces. In fact, you might occasionally see one resting quietly on the siding of your house, if you live near suitable treefrog habitat!
Media
Image of a green frog
Species Types
Scientific Name
Lithobates clamitans (formerly Rana clamitans)
Description
The green frog looks similar to a bullfrog but is smaller and has a ridge of skin along the sides of the back that is not found on bullfrogs. It is a game animal in Missouri.
Media
Image of a green treefrog
Species Types
Scientific Name
Hyla cinerea
Description
The bright green treefrog hides perfectly among cattail leaves, where it rests until evening. Then it begins hunting for insects.
Media
Image of a northern leopard frog
Species Types
Scientific Name
Lithobates pipiens
Description
The northern leopard frog is a medium-sized frog with dark spots on the back. Two skin folds run down each side of the back. In Missouri, it only occurs in our northwestern counties.
Media
Image of a plains spadefoot
Species Types
Scientific Name
Spea bombifrons
Description
The plains spadefoot is a stout, toadlike amphibian with large, protruding eyes, vertically elliptical pupils, short legs, and large feet. There is a raised area between the eyes. It occurs in counties along the Missouri River.
Media
Image of a red-eared slider
Species Types
Scientific Name
Trachemys scripta elegans
Description
An attractive turtle with yellow pinstripes and red ears, this species is commonly seen basking on logs or rocks—until you get too close, and they slide into the water.
Media
Photo of a Rocky Mountain toad in lawn grass.
Species Types
Scientific Name
Anaxyrus woodhousii woodhousii
Description
The Rocky Mountain toad, formerly called Woodhouse’s toad, has a number of irregular dark brown or black spots on the back and a white belly. It occurs in central, west-central, western, and northwestern parts of Missouri.
Media
Image of a six-lined racerunner lizard
Species Types
Scientific Name
Aspidoscelis sexlineata
Description
The six-lined racerunner is a fast, alert ground dweller that don’t usually climb trees. Also called field-streaks and sand lappers, racerunners are close kin to the whiptail lizards you might know from the western United States.
See Also

About Reptiles and Amphibians in Missouri

Missouri’s herptiles comprise 43 amphibians and 75 reptiles. Amphibians, including salamanders, toads, and frogs, are vertebrate animals that spend at least part of their life cycle in water. They usually have moist skin, lack scales or claws, and are ectothermal (cold-blooded), so they do not produce their own body heat the way birds and mammals do. Reptiles, including turtles, lizards, and snakes, are also vertebrates, and most are ectothermal, but unlike amphibians, reptiles have dry skin with scales, the ones with legs have claws, and they do not have to live part of their lives in water.