Frogs by State

Frogs and Toads of Arkansas

Frogs and Toads of Arkansas

Frogs

True Frog Family – Ranidae

Common Name: Crawfish Frog
Scientific Name: Rana areolatus
Location:
Breeding Season:

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.

This slideshow requires JavaScript.

American Bullfrog (Rana catesbeiana)

Common Name: American Bullfrog
Scientific Name: Rana catesbeiana
Location:
Breeding Season:

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.

This slideshow requires JavaScript.

Green Frog / Bronze (Rana 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.

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

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

Tree Frog Family – Hylidae

Tree Frogs – Hyla

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.

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.

IMG_0887
Green Tree Frog  (Hyla cinerea)

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

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

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.

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.

illinois_chorus_frog
Illinois Chorus Frog (Pseudacris illinoensis)
streckers-chorus-frog
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.

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

This slideshow requires JavaScript.

American Toad  (Anaxyrus americanus)

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

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.

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

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.

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

Here is a video of them calling.

Spadefoot Toad Family – Scaphiopodidae

american_eastern_spadefoot_toad
Eastern Spadefoot Toad (Scaphiopus holbrookii)

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 (Scaphiopus hurteri)

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

1109
Plains Spadefoot Toad (Spea bombifrons)

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

Advertisements

1 thought on “Frogs and Toads of Arkansas”

Leave a Reply