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American Toad
Anaxyrus americanus
13,641 observations
Eastern Red-backed Salamander
Plethodon cinereus
7,585 observations
Green Frog
Lithobates clamitans
7,294 observations
Eastern Newt
Notophthalmus viridescens
7,238 observations
American Bullfrog
Lithobates catesbeianus
3,945 observations
Wood Frog
Lithobates sylvaticus
3,271 observations
Northern Two-lined Salamander
Eurycea bislineata
3,043 observations
Pickerel Frog
Lithobates palustris
2,867 observations
Spring Peeper
Pseudacris crucifer
2,604 observations
Northern Slimy Salamander
Plethodon glutinosus
2,266 observations
Gray Treefrog
Dryophytes versicolor
2,170 observations
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
2,081 observations
Spotted Salamander
Ambystoma maculatum
1,949 observations
Northern Dusky Salamander
Desmognathus fuscus
1,570 observations
Red Salamander
Pseudotriton ruber
1,250 observations
Long-tailed Salamander
Eurycea longicauda
1,135 observations
Fowler's Toad
Anaxyrus fowleri
545 observations
Spring Salamander
Gyrinophilus porphyriticus
509 observations
Four-toed Salamander
Hemidactylium scutatum
437 observations
Northern Leopard Frog
Lithobates pipiens
207 observations
Jefferson Salamander
Ambystoma jeffersonianum
179 observations
Seal Salamander
Desmognathus monticola
159 observations
Wehrle's Salamander
Plethodon wehrlei
155 observations
Valley and Ridge Salamander
Plethodon hoffmani
149 observations
Common Mudpuppy
Necturus maculosus
124 observations
Hellbender
Cryptobranchus alleganiensis
90 observations
Marbled Salamander
Ambystoma opacum
78 observations
Northern Ravine Salamander
Plethodon electromorphus
77 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
26 observations
Cuban Tree Frog
Osteopilus septentrionalis
19 observations
Green Treefrog
Dryophytes cinereus
19 observations
Blue-spotted Salamander
Ambystoma laterale
17 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
17 observations
Mountain Chorus Frog
Pseudacris brachyphona
16 observations
Eastern Spadefoot
Scaphiopus holbrookii
13 observations
Green Salamander
Aneides aeneus
13 observations
Invasive
Squirrel Tree Frog
Dryophytes squirellus
9 observations
Northern Cricket Frog
Acris crepitans
5 observations
Greenhouse Frog
Eleutherodactylus planirostris
3 observations
Southern Leopard Frog
Lithobates sphenocephalus
2 observations
New Jersey Chorus Frog
Pseudacris kalmi
2 observations
Common Coqui
Eleutherodactylus coqui
1 observations
Upland Chorus Frog
Pseudacris feriarum
1 observations
Unisexual Mole Salamander
Ambystoma unisexual
1 observations
Barking Tree Frog
Dryophytes gratiosus
1 observations
Frequently Asked Questions
- The 10 most common amphibians in Pennsylvania are:
- American Toad (Anaxyrus americanus)
- Eastern Red-backed Salamander (Plethodon cinereus)
- Green Frog (Lithobates clamitans)
- Eastern Newt (Notophthalmus viridescens)
- American Bullfrog (Lithobates catesbeianus)
- Wood Frog (Lithobates sylvaticus)
- Northern Two-lined Salamander (Eurycea bislineata)
- Pickerel Frog (Lithobates palustris)
- Spring Peeper (Pseudacris crucifer)
- Northern Slimy Salamander (Plethodon glutinosus)
- The most observed amphibian in Pennsylvania is American Toad (Anaxyrus americanus), with 13,641 recorded observations.
- Some of the most commonly observed invasive amphibians in Pennsylvania include:
- Squirrel Tree Frog (Dryophytes squirellus)
- Some of the most commonly observed native amphibians in Pennsylvania include:
- Eastern Newt (Notophthalmus viridescens)
- Northern Slimy Salamander (Plethodon glutinosus)
- Allegheny Mountain Dusky Salamander (Desmognathus ochrophaeus)
- Spotted Salamander (Ambystoma maculatum)
- Northern Dusky Salamander (Desmognathus fuscus)