Frogs by State

Frogs and Toads of New Jersey

Frogs and Toads of New Jersey


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

True Frog Family – Ranidae

American Bullfrog (Lithobates catesbianus)
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.



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.

Southern Leopard Frog (Lithobates utricularia)
Pickeral Frog (Lithobates palustris)

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.

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.

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) photo by R. Tuck of the USFWS

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

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.


True Toad Family – Bufonidae

American Toad (Anaxyrus americanus)
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.

Spadefoot Toad Family–   Scaphiopodidae

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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