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American Toad
Anaxyrus americanus
6,172 observations
American Bullfrog
Lithobates catesbeianus
4,492 observations
Blanchard's Cricket Frog
Acris blanchardi
2,423 observations
Green Frog
Lithobates clamitans
2,407 observations
Northern Leopard Frog
Lithobates pipiens
1,613 observations
Fowler's Toad
Anaxyrus fowleri
1,213 observations
Southern Leopard Frog
Lithobates sphenocephalus
1,121 observations
Boreal Chorus Frog
Pseudacris maculata
968 observations
Eastern Newt
Notophthalmus viridescens
839 observations
Blue-spotted Salamander
Ambystoma laterale
740 observations
Green Treefrog
Dryophytes cinereus
648 observations
Spring Peeper
Pseudacris crucifer
641 observations
Small-mouthed Salamander
Ambystoma texanum
603 observations
Northern Slimy Salamander
Plethodon glutinosus
599 observations
Spotted Salamander
Ambystoma maculatum
584 observations
Cave Salamander
Eurycea lucifuga
576 observations
Gray Treefrog
Dryophytes versicolor
519 observations
Eastern Red-backed Salamander
Plethodon cinereus
454 observations
Long-tailed Salamander
Eurycea longicauda
394 observations
Marbled Salamander
Ambystoma opacum
393 observations
Eastern Tiger Salamander
Ambystoma tigrinum
382 observations
Northern Zigzag Salamander
Plethodon dorsalis
349 observations
Southern Two-lined Salamander
Eurycea cirrigera
315 observations
Mole Salamander
Ambystoma talpoideum
276 observations
Four-toed Salamander
Hemidactylium scutatum
212 observations
Unisexual Mole Salamander
Ambystoma unisexual
212 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
158 observations
Wood Frog
Lithobates sylvaticus
152 observations
Bird-voiced Treefrog
Dryophytes avivoca
152 observations
Plains Leopard Frog
Lithobates blairi
140 observations
Western Lesser Siren
Siren nettingi
117 observations
Western Chorus Frog
Pseudacris triseriata
87 observations
Northern Dusky Salamander
Desmognathus fuscus
76 observations
Pickerel Frog
Lithobates palustris
69 observations
Crawfish Frog
Lithobates areolatus
42 observations
Common Mudpuppy
Necturus maculosus
35 observations
Eastern Narrow-mouthed Toad
Gastrophryne carolinensis
30 observations
Spotted Dusky Salamander
Desmognathus conanti
29 observations
Illinois Chorus Frog
Pseudacris illinoensis
25 observations
Eastern Spadefoot
Scaphiopus holbrookii
24 observations
Dark-sided salamander
Eurycea melanopleura
9 observations
Jefferson Salamander
Ambystoma jeffersonianum
7 observations
Upland Chorus Frog
Pseudacris feriarum
6 observations
Greenhouse Frog
Eleutherodactylus planirostris
2 observations
Cuban Tree Frog
Osteopilus septentrionalis
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)
- Blanchard's Cricket Frog (Acris blanchardi)
- Green Frog (Lithobates clamitans)
- 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 6,172 recorded observations.