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American Toad
Anaxyrus americanus
12,698 observations
Eastern Red-backed Salamander
Plethodon cinereus
7,277 observations
Green Frog
Lithobates clamitans
6,843 observations
Eastern Newt
Notophthalmus viridescens
6,758 observations
American Bullfrog
Lithobates catesbeianus
3,593 observations
Wood Frog
Lithobates sylvaticus
3,127 observations
Northern Two-lined Salamander
Eurycea bislineata
2,850 observations
Pickerel Frog
Lithobates palustris
2,753 observations
Spring Peeper
Pseudacris crucifer
2,427 observations
Northern Slimy Salamander
Plethodon glutinosus
2,135 observations
Gray Treefrog
Dryophytes versicolor
1,987 observations
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
1,955 observations
Spotted Salamander
Ambystoma maculatum
1,898 observations
Northern Dusky Salamander
Desmognathus fuscus
1,486 observations
Red Salamander
Pseudotriton ruber
1,211 observations
Long-tailed Salamander
Eurycea longicauda
1,067 observations
Spring Salamander
Gyrinophilus porphyriticus
482 observations
Fowler's Toad
Anaxyrus fowleri
480 observations
Four-toed Salamander
Hemidactylium scutatum
428 observations
Northern Leopard Frog
Lithobates pipiens
202 observations
Jefferson Salamander
Ambystoma jeffersonianum
176 observations
Seal Salamander
Desmognathus monticola
154 observations
Wehrle's Salamander
Plethodon wehrlei
147 observations
Valley and Ridge Salamander
Plethodon hoffmani
137 observations
Common Mudpuppy
Necturus maculosus
123 observations
Hellbender
Cryptobranchus alleganiensis
90 observations
Marbled Salamander
Ambystoma opacum
75 observations
Northern Ravine Salamander
Plethodon electromorphus
66 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
25 observations
Green Treefrog
Dryophytes cinereus
19 observations
Cuban Tree Frog
Osteopilus septentrionalis
17 observations
Blue-spotted Salamander
Ambystoma laterale
17 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
15 observations
Mountain Chorus Frog
Pseudacris brachyphona
14 observations
Eastern Spadefoot
Scaphiopus holbrookii
13 observations
Green Salamander
Aneides aeneus
13 observations
Invasive
Squirrel Tree Frog
Dryophytes squirellus
8 observations
Common Coqui
Eleutherodactylus coqui
5 observations
Northern Cricket Frog
Acris crepitans
4 observations
Greenhouse Frog
Eleutherodactylus planirostris
3 observations
Southern Leopard Frog
Lithobates sphenocephalus
2 observations
New Jersey Chorus Frog
Pseudacris kalmi
2 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 12,698 recorded observations.
- Some of the most commonly observed invasive amphibians in Pennsylvania include:
- Squirrel Tree Frog (Dryophytes squirellus)