Frogs by State

Frogs and Toads of New Jersey

Frogs and Toads of New Jersey

Frogs

New Jersey is home to a good range of frogs for its size.

True Frog Family – Ranidae

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American Bullfrog (Lithobates catesbianus)

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Green Frog (Lithobates clamitans)

The Green Frog and American Bullfrog looks the same but the Bullfrog can grow larger and they lack a dorsal ridge down their back.

Carpenter Frog (Lithobates virgatipes)

Carpenter Frog is identifiable because of their brown color and two yellow lines that run down their back.

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Wood Frog (Lithobates sylvaticus)

The Wood Frog is easily identified by the raccoon mask around its eyes. Wood Frogs vary in color depending on their sex, with females being more red in color.

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Pickeral Frog (Lithobates palustris)  photo by Brian Gratwicke
Southern Leopard Frog (Lithobates sphenocephalus)

Pickeral Frog and the Southern Leopard Frog look alike but the Pickeral Frog has more square spots than the Southern Leopard Frog.

Tree Frog Family – Hylidae

There are many different tree frogs in New Jersey for its size. They fall into three groups: Tree Frogs, Cricket Frogs, and Chorus Frogs.

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Northern Cricket Frog (Acris crepitans)

The Northern Cricket Frog is the only Cricket Frog in the state.

Upland Chorus Frog (Pseudacris feriarum)

The Upland Chorus Frog has three dark lines down its back. The lines can be broken.

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New Jersey Frog (Pseudacris kalmi)

The New Jersey Frog and the Upland Chorus Frog are very similar. They both have three lines down their back. The stripes of the Upland Chorus frog are usually broken while the New Jersey Frog aren’t.

Pine Barren’s Tree Frog (Hyla andersonii)

Pine Barren’s Tree Frog has a a purple stripe down thru its eye and down its side.

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

The Gray Tree Frogs are identical besides their calls. They are relatively larger than the Chorus and Cricket Frogs.

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

Toads

True Toad Family – Bufonidae

The True Toads are your typical toad. They usually have a parotid gland behind their eyes that contain a poison called  It is not advised to let your dog eat these guys.

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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.

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

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. Just look at the back foot and see if there is a spade.

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