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Herps of Illinois
Red Milksnake(Lampropeltis triangulum syspila)

    To learn about the Reptiles and Amphibians of Illinois:

  1. Read the introduction to Illinois reptiles & amphibians.
  2. Click on the individual species listed in the tables below to see detailed information and photos of that species.
  3. For further information on the reptile and amphibian species of Illinois visit the Illinois Natural History Survey. This site documents the Illinois Natural History amphibian and reptile collection, educational materials and related research and projects. The Amphibian and Reptile Field Guide notes sitings, range map with some photos and provides the status (endangered, threatened or on the watch list) of the state's herps.
  4. Book List for information on Illinois reptiles and amphibians.
  5. List of Endangered and Threatened reptiles and amphibians.


Scientific Name Common Name
Caudata Salamanders
Ambystoma jeffersonianum Jefferson Salamander
Ambystoma laterale Blue-Spotted Salamander
Ambystoma maculatum Spotted Salamander
Ambystoma opacum Marbled Salamander
Ambystoma platineum Silvery Salamander
Ambystoma talpoideum Mole Salamander
Ambystoma texanum Smallmouth Salamander
Ambystoma tigrinum Tiger Salamander
Cryptobranchus alleganiensis Hellbender
Desmognathus conanti Dusky Salamander
Eurycea cirrigera Southern Two-Lined Salamander
Eurycea longicauda Longtail Salamander
Eurycea lucifuga Cave Salamander
Hemidactylium scutatum Four-Toed Salamander
Necturus maculosus Mudpuppy
Notophthalmus viridescens Eastern Newt
Plethodon cinereus Redback Salamander
Plethodon dorsalis Zigzag Salamander
Plethodon glutinosus Northern Slimy Salamander
Siren intermedia Lesser Siren


Toads and Frogs

Scientific Name Common Name
Anura Toads and Frogs
Acris crepitans Northern Cricket Frog
Bufo americanus American Toad
Bufo fowleri Fowler's Toad
Gastrophryne carolinensis Eastern Narrowmouth Toad
Hyla avivoca Bird-Voiced Treefrog
Hyla chrysoscelis Cope's Gray Treefrog
Hyla cinerea Green Treefrog
Hyla versicolor Gray Treefrog
Hyla versicolor-chrysoscelis Cope's Gray Treefrog
Pseudacris crucifer Spring Peeper
Pseudacris feriarum Upland Chorus Frog
Pseudacris streckeri Strecker's Chorus Frog
Pseudacris triseriata Striped Chorus Frog
Rana areolata Crawfish Frog
Rana blairi Plains Leopard Frog
Rana catesbeiana Bullfrog
Rana clamitans Green Frog
Rana palustris Pickerel Frog
Rana pipiens Northern Leopard Frog
Rana sphenocephala Southern Leopard Frog
Rana sylvatica Wood Frog
Scaphiopus holbrookii Eastern Spadefoot



Scientific Name Common Name
Testudines Turtles
Apalone mutica Smooth Softshell
Apalone spinifera Spiny Softshell
Chelydra serpentina Snapping Turtle
Chrysemys picta Painted Turtle
Clemmys guttata Spotted Turtle
Emydoidea blandingii Blanding's Turtle
Graptemys geographica Common Map Turtle
Graptemys ouachitensis Ouachita Map Turtle
Graptemys pseudogeographica False Map Turtle
Kinosternon flavescens Yellow Mud Turtle
Kinosternon subrubrum Eastern Mud Turtle
Macroclemys temminckii Alligator Snapping Turtle
Pseudemys concinna River Cooter
Sternotherus odoratus Common Musk Turtle
Terrapene carolina Eastern Box Turtle
Terrapene ornata Ornate Box Turtle
Trachemys scripta Slider



Scientific Name Common Name
 Suborder: Sauria

Cnemidophorus sexlineatus Six-Lined Racerunner
Crotaphytus collaris* Collared Lizard
Eumeces fasciatus Five-Lined Skink
Eumeces laticeps Broad-Headed Skink
Ophisaurus attenuatus Slender Glass Lizard
Sceloporus undulatus Fence Lizard
Scincella lateralis Ground Skink

* Introduced



Scientific Name Common Name
  Suborder: Serpentes

Agkistrodon contortrix Copperhead
Agkistrodon piscivorus Cottonmouth
Carphophis amoenus Worm Snake
Cemophora coccinea Scarlet Snake
Clonophis kirtlandii Kirtland's Snake
Coluber constrictor Racer
Crotalus horridus Timber Rattlesnake
Diadophis punctatus Ringneck Snake
Elaphe guttata Corn Snake
Elaphe obsoleta Rat Snake
Elaphe vulpina Fox Snake
Farancia abacura Mud Snake
Heterodon nasicus Western Hognose Snake
Heterodon platirhinos Eastern Hognose Snake
Lampropeltis calligaster Prairie Kingsnake
Lampropeltis getula Common Kingsnake
Lampropeltis triangulum Milk Snake
Masticophis flagellum Coachwhip
Nerodia cyclopion Mississippi Green Water Snake
Nerodia erythrogaster Plainbelly Water Snake
Nerodia fasciata Southern Water Snake
Nerodia rhombifer Diamondback Water Snake
Nerodia sipedon Northern Water Snake
Opheodrys aestivus Rough Green Snake
Opheodrys vernalis Smooth Green Snake
Pituophis melanoleucus Bull Snake
Regina grahamii Graham's Crayfish Snake
Regina septemvittata Queen Snake
Sistrurus catenatus Massasauga
Storeria dekayi Brown Snake
Storeria occipitomaculata Redbelly Snake
Tantilla gracilis Flathead Snake
Thamnophis proximus Western Ribbon Snake
Thamnophis radix Plains Garter Snake
Thamnophis sauritus Eastern Ribbon Snake
Thamnophis sirtalis Common Garter Snake
Tropidoclonion lineatum Lined Snake
Virginia valeriae Smooth Earth Snake

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