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American Toad
Anaxyrus americanus
6,620 observations
American Bullfrog
Lithobates catesbeianus
4,784 observations
Green Frog
Lithobates clamitans
2,611 observations
Blanchard's Cricket Frog
Acris blanchardi
2,486 observations
Northern Leopard Frog
Lithobates pipiens
1,780 observations
Fowler's Toad
Anaxyrus fowleri
1,269 observations
Southern Leopard Frog
Lithobates sphenocephalus
1,182 observations
Boreal Chorus Frog
Pseudacris maculata
1,011 observations
Eastern Newt
Notophthalmus viridescens
856 observations
Blue-spotted Salamander
Ambystoma laterale
755 observations
Spring Peeper
Pseudacris crucifer
670 observations
Green Treefrog
Dryophytes cinereus
670 observations
Small-mouthed Salamander
Ambystoma texanum
620 observations
Northern Slimy Salamander
Plethodon glutinosus
615 observations
Spotted Salamander
Ambystoma maculatum
595 observations
Cave Salamander
Eurycea lucifuga
583 observations
Gray Treefrog
Dryophytes versicolor
535 observations
Eastern Red-backed Salamander
Plethodon cinereus
454 observations
Eastern Tiger Salamander
Ambystoma tigrinum
403 observations
Long-tailed Salamander
Eurycea longicauda
402 observations
Marbled Salamander
Ambystoma opacum
397 observations
Northern Zigzag Salamander
Plethodon dorsalis
349 observations
Southern Two-lined Salamander
Eurycea cirrigera
319 observations
Mole Salamander
Ambystoma talpoideum
279 observations
Unisexual Mole Salamander
Ambystoma unisexual
213 observations
Four-toed Salamander
Hemidactylium scutatum
212 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
170 observations
Bird-voiced Treefrog
Dryophytes avivoca
153 observations
Wood Frog
Lithobates sylvaticus
152 observations
Plains Leopard Frog
Lithobates blairi
145 observations
Western Lesser Siren
Siren nettingi
118 observations
Western Chorus Frog
Pseudacris triseriata
87 observations
Northern Dusky Salamander
Desmognathus fuscus
76 observations
Pickerel Frog
Lithobates palustris
75 observations
Crawfish Frog
Lithobates areolatus
43 observations
Common Mudpuppy
Necturus maculosus
37 observations
Eastern Narrow-mouthed Toad
Gastrophryne carolinensis
33 observations
Spotted Dusky Salamander
Desmognathus conanti
30 observations
Illinois Chorus Frog
Pseudacris illinoensis
25 observations
Eastern Spadefoot
Scaphiopus holbrookii
24 observations
Dark-sided salamander
Eurycea melanopleura
10 observations
Jefferson Salamander
Ambystoma jeffersonianum
7 observations
Upland Chorus Frog
Pseudacris feriarum
6 observations
Cuban Tree Frog
Osteopilus septentrionalis
3 observations
Greenhouse Frog
Eleutherodactylus planirostris
2 observations
Northern Cricket Frog
Acris crepitans
1 observations
Frequently Asked Questions
- The 10 most common amphibians in Illinois are:
- American Toad (Anaxyrus americanus)
- American Bullfrog (Lithobates catesbeianus)
- Green Frog (Lithobates clamitans)
- Blanchard's Cricket Frog (Acris blanchardi)
- Northern Leopard Frog (Lithobates pipiens)
- Fowler's Toad (Anaxyrus fowleri)
- Southern Leopard Frog (Lithobates sphenocephalus)
- Boreal Chorus Frog (Pseudacris maculata)
- Eastern Newt (Notophthalmus viridescens)
- Blue-spotted Salamander (Ambystoma laterale)
- The most observed amphibian in Illinois is American Toad (Anaxyrus americanus), with 6,620 recorded observations.