Frogs by State

Frogs and Toads of South Dakota

Frogs and Toads of South Dakota

Frogs

True Frog Family – Ranidae

American Bullfrog

The American Bullfrog is the largest frog in the state. The American Bullfrog lacks a dorsal ridge down its back.

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Wood Frog

The Wood Frog is more of a land frog than the Northern Leopard Frog. It has a distinct mask around it’s eyes. They are a variety of different colors, from red, brown, and bronze.

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Northern Leopard Frog
Plains Leopard Frog

The difference between the Plains Leopard Frog and the Northern Leopard Frog deals with its the dorsal ridge. The Plains Leopard Frog’s dorsal ridge indents near its butt. The Plains Leopard Frog is also only found in the southeastern part of the state.

Tree Frog Family – Hylidae

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Northern Cricket Frog

The Northern Cricket Frog is found in the Southeastern part of the state. Their skin is relatively rougher compared to the other tree frogs in the skin.

Cope’s Gray Tree Frog and Gray Tree Frog

The Gray Tree Frog and Cope’s Gray Tree Frog are nearly identical besides their calls and chromosome numbers. The frogs are found in the eastern part of the state.

Boreal Chorus Frog

The Boreal Chorus frog is a small frog found throughout the state. They have lines that run down their back.

Toads

True Toad Family – Bufonidae

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American Toad

The American Toad is found along the eastern edge of the state. The cranial crest and the parotoid gland of the toad do not touch or they connect with a spur.

Canadian Toad

The Canadian Toad is found in the north eastern half of the state. Its cranial crest form a boss (bump) in between its eyes.

Woodhouse’s Toad

The Woodhouse’s Toad cranial crest forms opposing L shapes. It is found throughout the state.

Great Plains Toad

Great Plains Toad’s cranial crest forms a V shape. It is found throughout the state.

Spadefoot Toads – Scaphiopodidae

Plains Spadefoot Toad

The Plains Spadefoot toad is the only spadefoot toad in the state. Look at the rear foot of the toad and you will find a keratinized spade on it which no other toad or frog in the state has.

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