Frogs by State

Frogs and Toads of Utah

Frogs and Toads of Utah


True Frog Family – Ranidae

American Bullfrog

The American Bullfrog is the largest native frog in the United States. There is no dorsal ridge that runs down its back on the American Bullfrog. This is the distinguishable characteristics of the frog.

Green Frog

The Green Frog looks very much like the American Bullfrog but it’s a tad smaller. It has a dorsal ridge that runs down its back but they are incomplete and do not reach all the way.

Columbia Spotted Frog

The Columbia Spotted Frog has small spots all over their body that are often lighter on the inside.

Northern Leopard Frog

The Northern Leopard Frog has fairly large spots all over their body. The dorsal ridge is nearly complete.

Relict Leopard Frog

The Relict Leopard Frog hasn’t been seen in the state since the 50s so it is probably extinct but who knows. The dorsal folds on the frog end well before the groin. It also has shorter legs than the Northern Leopard Frog.

Tree Frog Family – Hylidae

Canyon Tree Frog

The Canyon Tree Frog lacks a stripe that runs through its eye.

Pacific Tree Frog

Pacific Tree Frog has the stripe through its eye but none down its back.

Boreal Chorus Frog

The Boreal Chorus Frog has a stripe through its eye and three down its back.


True Toad Family – Bufonidae

Arizona Toad


Great Plains Toad


Red Spotted Toad


Western Toad


Woodhouse’s Toad


Spadefoot Toad Family – Scaphiopodidae

Great Basin Spadefoot Toad

glandular boss

Mexican Spadefoot Toad

no boss

Plains Spadefoot Toad

bony boss


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