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American Toad
Anaxyrus americanus
13,476 observations
Eastern Red-backed Salamander
Plethodon cinereus
7,564 observations
Green Frog
Lithobates clamitans
7,213 observations
Eastern Newt
Notophthalmus viridescens
7,148 observations
American Bullfrog
Lithobates catesbeianus
3,904 observations
Wood Frog
Lithobates sylvaticus
3,240 observations
Northern Two-lined Salamander
Eurycea bislineata
3,005 observations
Pickerel Frog
Lithobates palustris
2,851 observations
Spring Peeper
Pseudacris crucifer
2,581 observations
Northern Slimy Salamander
Plethodon glutinosus
2,248 observations
Gray Treefrog
Dryophytes versicolor
2,132 observations
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
2,059 observations
Spotted Salamander
Ambystoma maculatum
1,943 observations
Northern Dusky Salamander
Desmognathus fuscus
1,561 observations
Red Salamander
Pseudotriton ruber
1,244 observations
Long-tailed Salamander
Eurycea longicauda
1,119 observations
Fowler's Toad
Anaxyrus fowleri
536 observations
Spring Salamander
Gyrinophilus porphyriticus
502 observations
Four-toed Salamander
Hemidactylium scutatum
435 observations
Northern Leopard Frog
Lithobates pipiens
206 observations
Jefferson Salamander
Ambystoma jeffersonianum
178 observations
Seal Salamander
Desmognathus monticola
159 observations
Wehrle's Salamander
Plethodon wehrlei
154 observations
Valley and Ridge Salamander
Plethodon hoffmani
147 observations
Common Mudpuppy
Necturus maculosus
123 observations
Hellbender
Cryptobranchus alleganiensis
90 observations
Marbled Salamander
Ambystoma opacum
77 observations
Northern Ravine Salamander
Plethodon electromorphus
77 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
26 observations
Green Treefrog
Dryophytes cinereus
19 observations
Cuban Tree Frog
Osteopilus septentrionalis
18 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
4 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 13,476 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)