Frogs by State

Frogs and Toads of Washington DC

Frogs and Toads of the Washington DC

Frogs

True Frog Family – Ranidae

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American Bullfrog (Lithobates catesbeianus)

Green Frog (Lithobates clamitans)

The Green Frog and American Bullfrog looks the same but the Bullfrog lacks a dorsal ridge down their back. The American Bullfrog also grows much larger than the Green Frog.

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Northern Leopard Frog (Lithobates pipiens)
Southern Leopard Frog (Lithobates sphenocephalus) photo by Bob Warrick

The Northern and Southern Leopard Frogs look extremely alike. The Southern Leopard Frog has a white spot in its tympanum (ear spot) while the Northern one generally doesn’t. The Northern Leopard Frog has a more rounded spot than the Southern Leopard Frog.

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Pickeral Frog (Lithobates palustris)

The Pickeral Frog appears much similar to the Leopard Frogs but they have rectangular spots on their back.

Wood Frog (Lithobates sylvaticus)

The Wood Frog has a very distinct mask around its face than other frogs in the area don’t have. They can vary in color from silver, red, and brown.

Tree Frog Family – Hylidae

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Eastern Gray Tree Frog (Hyla versicolor) / Cope’s Gray Tree Frog (Hyla chrysoscelis)

The Eastern and Gray Tree Frog and the Cope’s Gray Tree Frog are identical besides their calls. They have yellow markings on their hind legs. They can also be green or gray in color.

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Spring Peeper (Pseudacris crucifer)

The Spring Peeper is one of the first frogs to call in spring and is extremely loud. It has a noticeable X shape on its back.

Green Tree Frog (Hyla cinerea)

The Green Tree Frog has a white line down the side of its jaw and down its side.

Toads

True Toad Family – Bufonidae

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American Toad (Anaxyrus americanus)
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Fowler’s Toad (Anaxyrus fowleri)

The Fowler’s Toad and the American Toad look very much a like but there are some differences in the back of the head.

The American Toad’s parotid gland is separated from the cranial crest while the Fowler’s Toad’s touches.

American Spadefoot Toad Family – Scaphiopodidae

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Eastern Spadefoot Toad (Scaphiopus holbrookii) by Riechvaugen

The Eastern Spadefoot Toad is the only spadefoot toad in the area. They have keratonized sheaths on their rear feet that help them with digging.

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Frogs by State

Frogs and Toads of Utah

Frogs and Toads of Utah

Frogs

True Frog Family – Ranidae

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American Bullfrog (Lithobates catesbeianus)

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.

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Green Frog (Lithobates clamitans)

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.

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Northern Leopard Frog (Lithobates pipiens)

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

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Lowland Leopard Frog (Rana yavapaiensis) by Brian Gratwicke

The Lowland Leopard Frog is stockier and paler than the Northern Leopard Frog.

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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

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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 no stripes down its back.

Boreal Chorus Frog (Pseudacris maculata)

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

Toads

True Toad Family – Bufonidae

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Arizona Toad

The Arizona Toad is found in the southwest corner of the state. The toad has weak or no cranial crests.

Great Plains Toad (Anaxyrus cognatus)

The Great Plains Toad has a well defined cranial crest that forms a V shape.

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Red Spotted Toad (Anaxyrus punctatus)

The Red Spotted Toad has a small flattened head and body with weak or no cranial crest. It is found in the southern part of the state.

Western Toad

The Western Toad has no cranial crests and has a white line down its back.

Woodhouse’s Toad (Anaxyrus woodhousii)

The Woodhouse’s Toad has well defined cranial crest that form opposing L shapes.

Spadefoot Toad Family – Scaphiopodidae

Great Basin Spadefoot Toad

The Great Basin Spadefoot toad has glandular boss between its eyes.

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Mexican Spadefoot Toad (Spea multiplicata)

The Mexican Spadefoot Toad has no boss between its eyes.

Plains Spadefoot Toad (Spea bombifrons)

The Plains Spadefoot Toad has a bony boss between its eyes.

Frogs by State

Frogs and Toads of Rhode Island

Frogs and Toads of Rhode Island

Frogs

For a small state, Rhode Island has a decent amount of frogs.

True Frogs Family – Ranidae

Bullfrog
American Bullfrog (Lithobates catesbeianus)
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Green Frog (Lithobates clamitans)

The American Bullfrog and the Green Frog are similar but the American Bullfrog is larger. The Green Frog also has a impartial dorsal ridge while the American Bullfrog does not have one.

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Northern Leopard Frog (Lithobates pipiens)
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Atlantic Coastal Leopard Frog (Lithobates kauffeldi)
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Pickeral Frog (Lithobates palustris)

Pickeral Frog, Northern Leopard Frog, Atlantic Coastal Leopard Frog look very similar to each other because of the spots but the Pickeral frog’s spots are more rectangular than the Northern Leopard / Atlantic Coastal Frog. Now for Atlantic Coast Leopard Frog vs Northern Leopard Frog, the Atlantic Coastal Frog has more white in its tympanum than the Northern.

Wood Frog (Lithobates sylvaticus)

The Wood Frog is easily identifiable from its raccoon mask around its eyes.

Tree Frog Family – Hylidae

Rhode Island only has two species of tree frog.

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Spring Peeper (Pseudacris crucifer)

The Spring Peeper is the only chorus frog in Rhode Island. It has a distinct x on its back.

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Eastern Gray Tree Frog (Hyla versicolor)

The Gray Tree frog is larger than the Spring Peeper, doesn’t have an x on its back, and has yellow / orange markings on leg

Toads

There are three toads in Rhode Island, two from the True Toad family and one from the Spadefoot toad family.

True Toad Family – Bufonidae

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American Toad (Anaxyrus americanus)
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Fowler’s Toad (Anaxyrus fowleri)

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This is the best pic to tell apart the Fowler’s and American Toad.

Spadefoot Toad Family – Scaphiopodidae

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Eastern Spadefoot Toad (Scaphiopus holbrookii)

The Eastern Spadefoot Toad is the only spadefoot toad in the state so just look for the toad with a spade on its rear feet.

Frogs by State

Frogs and Toads of Tennessee

Frogs and Toads of Tennessee

Frogs

True Frog Family – Ranidae

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American Bullfrog (Lithobates catesbianus)

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

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Bronze / Green Frog (Lithobates clamitans)

The Green Frog looks identical to the American Bullfrog but it has an incomplete dorsal ridge.

Crawfish Frog (Lithobates areolatus)

The Crawfish Frog gets its name from living in crawfish holes. Its has skin fold on the side and a small typanum.

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Gopher Frog (Lithobates capito) photo by Kevin Enge

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.

Southern Leopard Frog (Lithobates sphenocephalus) photo by Bob Warrick

The Southern Leopard Frog has spots all over its body, like a leopard.

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Pickeral Frog (Lithobates palustris)

The Pickerel Frog looks like the Southern Leopard Frog but the spots on its skin are more rectangular than the Leopard Frog’s.

Tree Frog Famiy – Hylidae

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Northern Cricket Frog (Acris crepitans)
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Southern Cricket Frog (Acris gryllus)

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.

Mountain Chorus Frog

The Mountain Chorus Frog has a distinct mark on its back that looks like this )(.

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Spring Peeper (Pseudacris crucifer)

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.

Upland Chorus Frog (Pseudacris feriarum)

The Upland Chorus Frog has 3 lines down its back that makes it easy to identify.

Barking Tree Frog
Green Tree Frog (Hyla cinerea)

The Barking Tree Frog has much rougher skin than the Green Tree Frog. Both species have lines down the sides.

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Cope’s Gray Tree Frog (Hyla chrysoscelis) and  Eastern Gray Tree Frog (Hyla versicolor)

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 (Hyla avivoca)

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.

Toads

True Toad Family – Bufonidae

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American Toad (Anaxyrus americanus)
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Fowler’s Toad (Anaxyrus fowleri)

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.

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Narrow Mouthed Toad Family – Microhylidae

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Eastern Narrow Mouthed Toad (Gastrophryne carolinensis)

The Eastern Narrow Mouth Toad is the only narrow mouthed toad in the state. Its head is obviously more narrow than the other toads.

Spadefoot Toad Family – Scaphiopodidae

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Eastern Spadefoot Toad (Scaphiopus holbrookii)

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.

Frogs by State

Frogs and Toads of Kentucky

Frogs and Toads of Kentucky

Kentucky is home to a variety of different frogs and toad species.

Frogs

True Frog Family – Ranidae

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American Bullfrog (Lithobates catesbianus)

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

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Green Frog (Lithobates clamitans)

The Green Frog looks identical to the American Bullfrog but it has an incomplete dorsal ridge.

Wood Frog (Lithobates sylvaticus)

Wood Frog is a very easy to identify because of their mask around their face.

Crawfish Frog (Lithobates areolatus)

The Crawfish Frog gets its name from living in crawfish holes. Its has skin fold on the side and a small typanum.

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Northern Leopard Frog (Lithobates pipiens)
Southern Leopard Frog (Lithobates sphenocephalus) photo by Bob Warrick

The Northern and Southern Leopard Frog look very much alike with their uninterupted dorsal ridges and spots but there are some differences. Southern Leopard Frog has a white spot on the tympanum and has a more pointed snout.

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Plains Leopard Frog (Lithobates blairi)  by Don Becker

The Plains Leopard Frog looks like the Northern and Southern Leopard Frog but the dorsal ridge is not complete like theirs. It shifts inward near the groin and can be broken.

Pickeral_Frog
Pickeral Frog (Lithobates palustris) photo by Brian Gratwicke

The Pickerel Frog looks like the Leopard Frogs but the spots on its skin are more rectangular than the Leopard Frog’s.

Tree Frog Family – Hylidae

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Northern Cricket Frog (Acris crepitans)

The Northern Cricket Frog is the only Cricket Frog found in the state. They lack any distinct marks on its back.

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Green Tree Frog (Hyla cinerea)
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Barking Tree Frog (Hyla gratiosas) 

The Barking Tree Frog has much rougher skin than the Green Tree Frog. Both species have lines down the sides.

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Eastern Gray Tree Frog (Hyla veriscolor) and Copes Gray Tree Frog (Hyla chrysoscelis)

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.

Here is a video of some Eastern Gray Tree Frog males calling that I took

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Bird-voiced Tree Frog (Hyla avivoca)

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.

Upland Chorus Frog (Pseudacris feriarum)
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Midland Chorus Frog

Upland and Midland Chorus Frog both have three stripes down their back. Midland has broader stripes and the stripes also aren’t broken.

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Spring Peeper (Pseudacris crucifer)

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.

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Mountain Chorus Frog (Pseudacris brachyphona)

The Mountain Chorus Frog has a distinct mark on its back that looks like a reverse parenthesis on their back.

Toads

True Toad Family – Bufonidae

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American Toad (Anaxyrus americanus)

FowlersToad
Fowler’s Toad (Anaxyrus fowleri)

The American Toad has a speckled belly while the Fowler’s Toad has a clear, white belly.

American Spadefoot Toad Family – Scaphiopodidae

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Eastern Spadefoot Toad (Scaphiopus holbrookii)

The Eastern Spadefoot Toad is easy to identify because of the spade on their back legs that are used for digging.

Narrow Mouthed Toad Family – Microhylidae

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Eastern Narrow Mouthed Toad (Gastrophryne carolinensis)

The Eastern Narrow Mouthed Toad is the only narrow mouthed toad in the state. Its head is extremely narrow compared to the other toads.

Frogs by State

Frogs and Toads of Missouri

Frogs and Toads of Missouri

Frogs

True Frog Family – Ranidae

Crawfish Frog (Lithobates areolatus)

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.

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American Bullfrog (Lithobates catesbeianus)

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.

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Bronze /Green Frog (Lithobates clamitans)

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.

Plains Leopard Frog (Lithobates blairi)

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Northern Leopard Frog (Lithobates pipiens)

Southern Leopard Frog (Lithobates sphenocephalus) photo by Bob Warrick

The Southern Leopard Frog has a white spot on its tympanum which can help differentiate the species from the other two. The Plains Leopard Frog is different from the Southern and Northern Leopard Frog because of its dorsal ridge. The Plains Leopard Frogs has a break and an indent near its butt while the North and South Leopard Frog just has a straight line.

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Pickeral Frog (Lithobates palustris)

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

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The Wood Frog (Lithobates sylvaticus) is easy to identify because of the dark mask on its face.

Tree Frog Family – Hylidae

Northern Cricket Frog (Acris crepitans)

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.

Green Tree Frog (Hyla cinerea)

The Green Tree Frog has a white line that runs down its side. It doesn’t have any distinct markings on its back.

Eastern Gray Tree Frog (Hyla versicolor) and Cope’s Gray Tree Frog (Hyla chrysoscelis)

These two frogs are identical besides their calls and chromosome numbers. Note that Gray Tree Frogs are not always gray and can be green. They have yellow or orange coloration on their back legs which is nice to identify them.

Here is a video of some Eastern Gray Tree Frog males calling that I took

Spring Peeper (Pseudacris crucifer)

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.

Boreal Chorus Frog (Pseudacris maculata)

The Boreal Chorus Frog is found in the northern half of the state. The three stripes on its back are often not broken and if one is, its the middle.

Cajun Chorus Frog
Upland Chorus Frog

The Upland and Cajun Chorus Frog are both found in the Southeast part of the state. They are very hard to tell apart. The best way to tell is by their calls and through genetic testing. The stripes on their back are often broken and can even appear as spots.

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Illinois Chorus Frog

The Illinois Chorus Frog does not have a white line that extends off the lips while the other chorus frogs do.

Toads

True Toad Family – Bufonidae

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American Toad (Anaxyrus americanus)

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

Great Plains Toad (Anaxyrus cognatus)

The Cranial Crests of the Great Plains Toad form a V shape between the eyes

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Fowler’s Toad (Anaxyrus fowleri)
Woodhouse’s Toad (Anaxyrus woodhousii)

The Fowler’s and Woodhouse’s Toads both have cranial crests that form opposing L shapes. The Fowler’s Toad has largest, dark spots on its back that have 3 or more warts in them.

Spadefoot Toads – Scaphiopodidae 

Eastern Spadefoot Toad (Scaphiopus holbrookiiphoto by Riechvaugen

The Eastern Spadefoot toad’s range reaches the southeastern corner of the state. It’s spade is sickle shaped.

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Plains Spadefoot Toad (Spea bombifrons)

The Plains Spadefoot Toad has a rounded spade compared to the Eastern Spadefoot Toad.

Narrowed Mouth Toad Family – Microhylidae

Eastern Narrow Mouth Toad (Gastrophryne carolinensis) photo from the USGS

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

Great Plains Narrow Mouthed Toad

The Great Plains Narrow Mouthed Toad is found on the western edge of the state. It has a light, unmarked belly and has no patterns and a few spots on its back.

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Frogs by State

Frogs and Toads of Oklahoma

Frogs and Toads of Oklahoma

Oklahoma is home to a great variety of frogs and toad species.

Frogs

Frogs in the state are from two different families, Hylidae – the Tree Frogs, and Ranidae – the True Frogs.

True Frogs – Ranidae

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Green Frog  / Bronze Frog (Lithobate clamitans)

The Green Frog has partial dorsal ridge down the side of their body.

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American Bullfrog (Lithobates catesbeianus)

The American Bullfrog is the largest frog in the state. Their dorsal ridge wraps around their tympanum.

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The Wood Frog (Lithobates sylvaticus) is an easy to identify because of their dark mask around their eyes.

Plains Leopard Frog (Lithobates blairi)
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Southern Leopard Frog (Lithobates sphenocephalus) 

The Plains and Southern Leopard Frog can be hard to tell apart. The Southern Leopard Frog’s dorsal ridge down their back is unbroken while the Plains dorsal ridge can be broken.

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Pickeral Frog (Lithobates palustris)

Pickeral Frog and the Leopard Frogs look very much a like. The Pickeral Frog has more square shaped spots on its back while the Leopard frogs has more circular ones.

Crawfish Frog (Lithobates areolatus)

The Crawfish Frog gets its name from living in crawfish holes. Its has skin fold on the side and a small tympanum.

Tree Frog Family- Hylidae

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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.

Tree Frogs – Hyla

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Eastern Gray Tree Frog (Hyla veriscolor) and Copes Gray Tree Frog (Hyla chrysoscelis)

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.

Here is a video of some Eastern Gray Tree Frogs calling that I took.

Bird-Voiced Frog (Hyla avivoca)

The Gray Tree Frogs and the Bird-Voiced Frog look very much a like. The difference is the coloration on the inner thigh. The Gray Tree Frogs have brighter orange color on the thigh while the Bird-Voiced Frog is more greenish-yellow.

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Squirrel Tree Frog (Hyla squirella)
Green Tree Frog (Hyla cinerea)

The Green Tree Frog and the Squirrel Tree Frog look very much alike. The Green Tree Frog has a white stripe that runs down their side.

Chorus Frogs – Pseudacris

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Spring Peeper (Pseudacris crucifer)

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.

Boreal Chorus Frog (Pseudacris maculata)

The Boreal Chorus Frog has three lines that run down its back and are rarely broken up but if they are, its usually only the middle stripe.

Cajun Chorus Frog

Cajun Chorus Frog has three stripes that run down its back that are often broken up and can appear as spots.

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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Spotted Chorus Frog
(Pseudacris clarkii)

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

Toads

True Toad Family  – Bufonidae

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American Toad  (Anaxyrus americanus)

The American Toad’s cranial crest and the parotoid gland to not touch or they are connected by a spur. Its found on the eastern part of the state.

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Fowler’s Toad (Anaxyrus fowleri) photo by Jimpaz

The Fowler’s Toad appears similar to the American Toad. Their postorbital ridge touches their parotid gland. They also have a white belly while the American Toad’s is speckled.

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Red Spotted Toad (Anaxyrus punctatus)

The Red-Spotted Toad is found in the western half of the state. Cranial crest are not present or small. Parotoid gland is also rather small.

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Green Toad (Anaxyrus debilis)

The Green Toad is found along the southwestern part of the state. It doesn’t have a prominent cranial crest but has an elongated parotoid gland.

Texas Toad

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

Woodhouse’s Toad (Anaxyrus woodhousii)

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

Great Plains Toad (Anaxyrus cognatus)

The Great Plains Toad has V shaped cranial crest

Spadefoot Toad Family  – Scaphiopodidae

Hurter’s Spadefoot Toad

The Hurter’s Spadefoot Toad has a sickle-shaped spade on their rear foot and have a boss / bump between the eyes.

Couch’s Spadefoot Toad (Scaphiopus couchii)

The Couch’s Spadefoot Toad has a sickle-shaped spade and has no boss / bump between the eyes.

Plains Spadefoot Toad (Spea bombifrons)

.The Plains Spadefoot Toad has a bony boss / bump between its eyes and round spade on its rear feet that can help identify it.

Mexican Spadefoot Toad (Spea multiplicata

The Mexican Spadefoot Toad has no boss between its eyes and has a round spade on its rear feet.

Narrow Mouthed Toad Family – Microhylidae

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Eastern Narrow Mouth Toad  (Gastrophryne carolinensis) photo from the USGS

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.

Great Plains Narrow Mouthed Toad

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

Frogs by State

Frogs and Toads of Kansas

Frogs and Toads of Kansas

Frogs

True Frogs – Ranidae

Crawfish Frog (Lithobates areolatus)

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.

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American Bullfrog (Lithobates catesbeianus)

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.

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Green Frog / Bronze Frog (Lithobates clamitans)

The Green Frog / Bronze 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.

Plains Leopard Frog (Lithobates blairi)
Southern_Leopard_Frog,_Missouri_Ozarks
Southern Leopard Frog (Lithobates sphenocephalus) photo by Bob Warrick

The Southern Leopard Frog and Plains Leopard Frog appear identical. They both have large spots all over their body. The difference between the frogs lies in their dorsal ridge. The Southern Leopard Frog’s ridge runs straight down the side while the Plains Leopard Frog’s ridge indents near the butt.

Tree Frogs – Hylidae

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Northern Cricket Frog (Acris crepitans)

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.

Eastern Gray Tree Frog (Hyla versicolor) and Cope’s Gray Tree Frog (Hyla chrysoscelis)

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.

Here is a video of some Eastern Gray Tree Frog males calling that I took

peeper
Spring Peeper (Pseudacris crucifer)

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.

Boreal Chorus Frog (Pseudacris maculata)

The Boreal Chorus Frog has three lines that run down its back and are rarely broken up but if they are, its usually only the middle stripe.

Strecker’s Chorus Frog (Pseudacris strecker)

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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Spotted Chorus Frog (Pseudacris clarkii)

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

Toads

True Toads – Bufonidae

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American Toad (Anaxyrus americanus)

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

Great Plains Toad (Anaxyrus cognatus)

The Great Plains Toad has a V shaped cranial crest between their eyes.

Woodhouse’s Toad (Anaxyrus woodhousii)
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Fowler’s Toad (Anaxyrus fowleri)

The Fowler’s and Woodhouse’s Toads both have cranial crests that form opposing L shapes. The Fowler’s Toad has largest, dark spots on its back that have 3 or more warts in them.

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Red-Spotted Toad (Anaxyrus punctatus)

The Red-Spotted Toad is found in the western half of the state. Cranial crest are not present or small. Parotoid gland is also rather small.

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Green Toad (Anaxyrus debilis)

The Green Toad is found along the southwestern part of the state. It doesn’t have a prominent cranial crest but has an elongated parotoid gland.

Narrow Mouthed Toad – Microhylidae

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Eastern Narrow Mouthed Toad (Gastrophryne carolinensis) photo by USGS

The Eastern Narrow Mouthed Frog’s range barely reaches the southeastern corner of the stateIt has a dark belly and often has a broad line down its back.

Western Narrow Mouthed Toad / Great Plains Narrow Mouthed Toad (Gastrophryne olivacea)

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

Spadefoot Toad – Scaphiopodidae

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Plains Spadefoot Toad (Spea bombifrons)

The Plains Spadefoot Toad is the only spadefoot toad in the state. It has keratonized “spades” on its rear legs that help with digging.

Frogs by State

Frogs and Toads of Arkansas

Frogs and Toads of Arkansas

Frogs

True Frog Family – Ranidae

Crawfish Frog (Lithobates areolatus)

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.

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American Bullfrog (Lithobates catesbeianus)

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.

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Green Frog / Bronze (Lithobates clamitans)

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.

Plains Leopard Frog (Lithobates blairi)
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Southern Leopard Frog (Lithobates sphenocephalus) photo by Bob Warrick

The Southern Leopard Frog and Plains Leopard Frog appear identical. They both have large spots all over their body. The difference between the frogs lies in their dorsal ridge. The Southern Leopard Frog’s ridge runs straight down the side while the Plains Leopard Frog’s ridge indents near the butt.

Pickeral Frog (Lithobates palustris)  photo by Brian Gratwicke

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

The Wood Frog (Lithobates sylvaticus) is one of the easiest frogs to identify because of its dark mask around its eyes.

Tree Frog Family – Hylidae

Tree Frogs – Hyla

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Eastern Gray Tree Frog (Hyla veriscolor) and Copes Gray Tree Frog (Hyla chrysoscelis)

These two frogs are identical besides their calls and chromosome numbers. Note that Gray Tree Frogs are not always gray and can be green. They have yellow or orange coloration on their back legs which is nice to identify them.

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Bird-voiced Tree Frog (Hyla avivoca)

The Cope’s Gray Tree Frog, the Eastern Gray Tree Frog and the Bird-Voiced Frog look very much a like. The difference is the coloration on the inner thigh. Cope’s Gray Tree Frog and Gray Tree Frog has brighter orange color on the thigh while the Bird-Voiced Frog is more greenish-yellow.

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Green Tree Frog  (Hyla cinerea)
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Squirrel Tree Frog (Hyla squirella)

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. The Squirrel Tree Frog is rarer than the Green Tree Frog and is only found on the southern border of the state.

Cricket Frogs – Acris

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Northern Cricket Frog (Acris crepitans)

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

Chorus Frogs – Pseudacris

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Upland Chorus Frog (Pseudacris feriarum)
Cajun Chorus Frog (Pseudacris fouquettei)

The Upland and Cajun Chorus Frogs look very much alike. Best way to tell them apart is through genetic tests, call, or by location. The Upland Chorus Frog appears only in the northeastern corner in the state while the Cajun appears everywhere.

Boreal Chorus Frog (Pseudacris maculata)

The Boreal Chorus Frog is rare and only found along the northern border of the state. It has three lines that run done its back that are rarely broken.

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Illinois Chorus Frog (Pseudacris illinoensis)
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Streckler’s Chorus frog (Pseudacris streckeri)

The Illinois and Streckler’s Chorus Frog are basically identical so best way to tell them apart is where they are found. The Streckler’s Chorus Frog can be found in the western half of the state. The Illinois Chorus Frog can be found in the Northeastern corner of the state. Both frogs differ from the other chorus frogs because they don’t have a white line that extends off the lips.

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Spring Peeper (Pseudacris crucifer)

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.

Toads

True Toad Family – Bufonidae

American Toad  (Anaxyrus americanus)

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

Fowler’s Toad (Anaxyrus fowleri) photo by Jimpaz
Woodhouse’s Toad (Anaxyrus woodhousii)

The Fowler’s and Woodhouse’s Toads both have cranial crests that form opposing L shapes. The Fowler’s Toad has largest, dark spots on its back that have 3 or more warts in them.

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Coastal Plains Toad (Incilius nebulifer)

The Coastal Plains Toad is notable from the other toads in the family because its in a different genus than them, Incilius instead of Anaxyrus. The genus Incilius has a more defined cranial crest than Anaxyrus.

Narrow Mouthed Toad Family – Microhylidae

Great Plains Narrow Mouth Toad

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

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Eastern Narrow Mouthed Toad (Gastrophryne carolinensis) photo by USGS

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

Spadefoot Toad Family – Scaphiopodidae

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Eastern Spadefoot Toad (Scaphiopus holbrookii) photo by Riechvaugen

The Eastern Toad has a sickle shaped spade on its rear feet. It also doesn’t have a boss (bump) between its eyes.

Hurter’s Spadefoot Toad

The Hurter’s Spadefoot Toad has a sickle-shaped spade on its rear feet but also has a boss (bump) between its eyes.

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Plains Spadefoot Toad (Spea bombifrons)

The Plains Spadefoot Toad has a rounded spade compared to the other two spadefoot toads.

Frogs by State

Frogs and Toads of Nebraska

Frogs and Toads of Nebraska

Frogs

True Frog Family – Ranidae

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American Bullfrog (Lithobates catesbeianus)

The American Bullfrog is the largest frog in the state. It lacks a dorsal ridge down it’s back that the other frogs from the family Ranidae have.

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Northern Leopard Frog (Lithobates pipiens)

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.

Tree Frog Family – Hylidae

Cope’s Gray Tree Frog (Hyla chrysoscelis)

The Cope’s Gray Tree Frog is the largest of the tree frogs in the state.  It’s found in the eastern half of the state.

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Northern Cricket Frog

The Northern Cricket Frog is found everywhere besides the far western part.  Their skin is relatively rougher compared to the other tree frogs in the skin.

Boreal Chorus Frog (Pseudacris maculata)

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 (Anaxyrus americanuses)

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.

Great Plains Toad (Anaxyrus cognatus)

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

Woodhouse’s Toad (Anaxyrus woodhousii)

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

Spadefoot Toad Family – Scaphiopodidae

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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.

Narrow Mouthed Toad Family – Microhylidae

Great Plains / Western Narrow Mouthed Toad

The Great Plains / Western Narrow Mouthed Toad is the only narrow mouthed toad in the state. The lack parotoid glands and spades on their feet.