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Carphophis vermis (Colubridae) ((Serpentes))
- grey back, pink belly
- small
- sharp spur on tail tip
- semi-fossorial
Diadophis punctatus arnyi (Colubridae) ((Serpentes))
- yellow ring around neck
- orange to red belly
- 2 rows of half-moon patterns on belly
- brown + patchy back
Diadophis punctatus edwardsii (Colubridae) ((Serpentes))
- unpatterned, creamy yellow belly
- ring around neck
Heterodon platirhinos (Colubridae) ((Serpentes))
- short and chunky
- upturned rostral scale
- pair of black eye-like spots on neck
Opheodrys vernalis (Colubridae) ((Serpentes))
- unpatterned, bright green body
- unkeeled/smooth scales
Coluber constrictor (Colubridae) ((Serpentes))
- long
- solid pale blue back
- pale yellow belly
Pantherophis spiloides (Colubridae) ((Serpentes))
- grey/black blotchy back
- large
- white chin and throat
Pantherophis vulpinus (Colubridae) ((Serpentes))
- light brown back with darker brown splotches
- unmarked copper/brown head
Pituophis catenifer (Colubridae) ((Serpentes))
- largest and longest WI species
- yellowish background
- dark head, lighter midsection, dark/light bands on tail
Lampropeltis triangulum (Colubridae) ((Serpentes))
- red/grey alternating bands
- V-shaped spot on back of head pointing down body
Thamnophis butleri (Colubridae) ((Serpentes))
- yellow labial scales
- lateral stripes: scale row 3 and 4
Thamnophis radix (Colubridae) ((Serpentes))
- yellow labial scales
- lateral stripes: scale row 3 and 4
Thamnophis sirtalis (Colubridae) ((Serpentes))
- yellow labial scales
- lateral stripes: scale row 2 and 3
- most common
Thamnophis sauritus (Colubridae) ((Serpentes))
- white labial scales
- clean patterning, skinny
- 7 labial scales
Thamnophis proximus (Colubridae) ((Serpentes))
- white labial scales
- clean patterning, skinny
- 8 labial scales
Tropidoclonion lineatum (Colubridae) ((Serpentes))
- brown/grey with yellow stripes
- 2 rows of half-moon shapes on belly
Storeria dekayi (Colubridae) ((Serpentes))
- mottled brown
- brown background, lighter mid-dorsal stripe
Storeria occipitomaculata (Colubridae) ((Serpentes))
- bright red belly
- mid-dorsal stripes
- incomplete ring on neck
Regina septemvittata (Colubridae) ((Serpentes))
- dull olive
- pale yellow stripes on sides
- 2 stripes on belly
Nerodia sipedon (Colubridae) ((Serpentes))
- medium/large
- alternating reddish/greyish bands
- paired red halfmoon patterns on belly
Sistrurus catenatus (Viperidae) ((Serpentes))
- rarest
- smallish
- top of head scales: fewer and larger (9)
Crotalus horridus (Viperidae) ((Serpentes))
- larger
- banded pattern
- solid black on tail
- top of head scales; more numerous and smaller