Frogs by State

Frogs and Toads in Texas

Frogs and Toads of Texas

Frogs

True Frog Family – Ranidae

Crawfish Frog

The Crawfish Frog gets its name from living in crawfish holes. Its has skin folds on the side and a small typanum. It also has a pair of vocal sacs for calling.

American Bullfrog
Green Frog
Pig Frog

The American Bullfrog is the largest frog in the North America. It looks very similar to the Green Frog but the dorsal ridge wraps around the tympanum while the Green Frog’s dorsal ridge is incomplete and does not extend all the way to its rear. The American Bullfrog is also very similar to the Pig Frog but the Pig Frog has bolder spots / stripes on the back of its thighs while the Bullfrog has light spots.

Northern Leopard Frog

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

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Rio Grande Leopard Frog

The Rio Grande Leopard Frog’s dorsal ridge usually stops near the rear then angles in.

Plains Leopard Frog

The Plains Leopard Frog’s dorsal fold is usually segmented on its lower back. It usually has a white spot on its typanum or ear drum.

jasongibson_southernleopardfrog
Southern Leopard Frog

The Southern Leopard Frog has a nearly complete dorsal ridge just like the Northern Leopard Frog but it has a white spot in the center of its typanum.

Pickeral Frog

Pickeral Frog looks like the leopard frogs but its spots are more rectangular than the leopard frogs.

Tree Frog Family – Hylidae

Northern Cricket Frog

The Northern Cricket Frog is the only cricket frog in the state. Its skin is relatively more rough than the other tree frogs in the state. It also has no distinct markings.

CanyonTreeFrog
Canyon Tree Frog

The Canyon Tree Frog has rough skin and no stripes through its eyes but has a light spot below it. Its found in the western part of the state around the Big Bend area.

Cope’s Gray Tree Frog / Gray Tree Frog

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.

Green Tree Frog
Squirrel Tree Frog

The Green and Squirrel Tree Frog are very similar. The Green Tree Frog has a stripe that goes down its side while the Squirrel Tree Frog doesn’t.

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Spotted Chorus Frog

The Spotted Chorus Frog obviously has spots that are green and are bordered by black.

Strecker’s Chorus Frog

The Strecker’s Chorus Frog lacks doesn’t have any pattern of stripes or dots on its back. It has a line that runs through its eye and down its side though.

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Spring Peeper

The Spring Peeper is a notoriously loud frog and one of the first signs of spring. It has a noticeable X marking on its back.

Cajun Chorus Frog has three stripes that run down its back. It is found in the eastern part of the state.

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Mexican Tree Frog

The Mexican Tree Frog is found in the southern part of the state. It is also the largest tree frog in the United States. One of the key identifying characteristics is a row of warts on its lower arms.

Southern Frogs – Leptodactylidae

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Mexican White-Lipped Frog (Leptodactylus fragilis)

The Mexican White-Lipped Frog is the only member of its family found in the state. It has a pointy snout with white lips. The frog is found in the southern tip of the state.

Eleutherodactylidae 

Rio Grande Chirping Frog
Eleutherodactylus_guttilatus
Spotted Chirping Frog
Eleutherodactylus_marnockii2
Cliff Chirping Frog

The three Chirping frogs can be hard to tell apart. Best way to tell them apart is by range. Rio Grande Chirping Frog is found along the eastern side of the state. Spotted Chirping Frog is found more west while the Cliff Chirping Frog is found in the middle.

Flesh bellied Frog Family – Craugastoridae

Barking Frog

The Barking Frog is the one species of its family in the state. It has tubercles on its feet and a skin fold on the back of the head.

Toads

True Toad Family – Bufonidae

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American Toad

The American Toad’s cranial crest and the parotoid gland to not touch or they are connected by a spur.

Great Plains Toad

The Great Plains Toad has V shaped cranial crest

GreenToad
Green Toad

No cranial crest. No stripe down middle of the back.  The Green Toad has elongated parotoid gland.

Houston_toad
Houston Toad

The Houston Toad is a federally endangered species. It is only found in the state of Texas. The Houston Toad has thicker cranial crests than other toads in the state.

Gulf Coast Toad

The Gulf Coast Toad is notable from the other toads because its in a different genus Incilius. This genus has a more defined cranial crest than Anaxyrus.

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Cane Toad

The highly invasive Cane Toad is actually found naturally in the southern tip of the state. It is the largest toad in the state and is highly poisonous. They have a highly prominent cranial crests and large parotoid glands.

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Red Spotted Toad

No cranial crest. No stripe down middle of the back. Parotoid gland is also rather small.

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Texas Toad

The Texas Toad ‘s cranial crests absent or weak with no stripe down its back. The tubercles on its feet are bla+ck and sharp edged.

Woodhouse’s Toad

The Woodhouse’s Toad has opposing L shaped cranial crests.

Narrow Mouthed Toad Family – Microhylidae

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Eastern Narrow Mouthed Toad

The Eastern Narrow Mouthed Frog is found on the eastern edge of the state. It has a dark belly and often has a broad line down its back.

Western Narrow Mouthed Toad

The Western Narrow Mouthed Toad is found throughout the state. It has a light, unmarked belly and has no patterns and a few spots on its back.

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Sheep Frog (Hypopachus variolosus)

The Sheep Frog is found along the southern tip of the state. It usually has a thin line that runs down its back. It also has two spades on its rear legs. The belly has thin lines all over it.

Spadesfoot Toad Family – Scaphiopodidae

Mexican Spadefoot Toad

The Mexican Spadefoot Toad has no boss or bump between its eyes. Its found in the northwestern part of the state.

Plains Spadefoot Toad

The Plains Spadefoot Toad has a boss between its eyes. Its found in the northwestern part of the state.

Couch Spadefoot Toad.(Scaphiopus couchii) photo by Clinton & Charles Robertson

The Couch Spadefoot Toad has a sickle-shaped spade on its rear legs. Its found in the western part of the state.

Burrowing Toads – Rhinophrynidae

Mexican Burrowing Toad (Rhinophrynus dorsalis)

Mexican Burrowing Toad is the only member of its family in the state. Its found in the southern part of the state.  It has a distinct look that makes it easy to identify.

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