Field Guide

The eastern spiny softshell is a medium to large softshell turtle with small bumps or spines on the front edge of the upper shell. There are dark spots on the fore- and hind limbs.

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.

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 a few northwestern counties along the Iowa border.

The southern leopard frog is an excellent jumper and quickly leaps into water when startled. From March through July, the males make chuckling or quacking calls from shallow water. Occurs statewide except for the northwestern corner.

A medium-sized spotted frog, the plains leopard frog lives in pastures, prairies, and marshes. The ridge of skin along each side of the back is broken, and a small hind section of it is shifted upward. It occurs nearly statewide, including the Bootheel, but is only rarely present in the Ozarks.

The pickerel frog is medium-sized, with square or rectangular spots in two parallel rows down the back. There is a distinct ridge of skin along each side of the back. It is absent from the northwestern third of Missouri.

A very secretive species, the northern crawfish frog spends most of its time hidden burrows, typically those made by crayfish. It is restricted to native prairie or former prairie areas and is a species of conservation concern in Missouri.

The wood frog is tan, pinkish tan, or brown, with a dark brown mask through the eye and ear. It is perfectly camouflaged among fallen dead leaves. A rare frog, it lives in cool, wooded hillsides in portions of eastern Missouri and some southwestern counties.

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.

American toads are well-known and occur statewide. Missouri has two subspecies: the eastern American toad in the northern half, and the dwarf American toad in the southern half.