Frogs and Toads of Tennessee
The American Bullfrog is the largest frog in the state. It lacks a dorsal ridge down its back.
The Green Frog looks identical to the American Bullfrog but it has an incomplete dorsal ridge.
The Crawfish Frog gets its name from living in crawfish holes. Its has skin fold on the side and a small typanum.
Gopher Frogs have irregular spots all over their body and their skin is rough. There are only two records of the frog in the state so its not likely to be seen.
The Southern Leopard Frog has spots all over its body, like a leopard.
The Pickerel Frog looks like the Southern Leopard Frog but the spots on its skin are more rectangular than the Leopard Frog’s.
The Cricket Frogs look really similar but there’s a few ways to tell them apart. The Southern Cricket Frog has a more pointed snout while the Northern Cricket Frog has a more blunt snout. The Southern Cricket Frog doesn’t have as much webbing on the back legs as the Northern Cricket Frog.
The Mountain Chorus Frog has a distinct mark on its back that looks like this )(.
The Spring Peeper is a small frog with a distinct X on its back. They are one of the first frogs to start singing in the spring.
The Upland Chorus Frog has 3 lines down its back that makes it easy to identify.
The Barking Tree Frog has much rougher skin than the Green Tree Frog. Both species have lines down the sides.
These two frogs are identical besides their calls and chromosome numbers. These tree frogs are also larger than the ones below. Also note that Gray Tree Frogs are not always gray and can be green. These frogs also have orange or yellow markings on their back legs.
Bird-Voiced Tree Frog looks similar to the Gray Tree Frogs but their legs have a more yellow / green color on them while the Gray’s are more orange.
The American Toad and Fowler’s Toad look a lot alike. The differences has to do with their heads. Here’s a picture to show the differences.
The Eastern Narrow Mouth Toad is the only narrow mouthed toad in the state. Its head is obviously more narrow than the other toads.
The Eastern Spadefoot Toad is the only species of spadefoot toad in the state. They have a noticeable spade on their hind legs that they use for digging.