Reptiles & Amphibians of Delaware
The reptiles & amphibians most often spotted in Delaware, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Delaware
Fowler's Toad
Anaxyrus fowleri
3,217 observations
Painted Turtle
Chrysemys picta
1,796 observations
Common Box Turtle
Terrapene carolina
1,234 observations
Green Frog
Lithobates clamitans
1,188 observations
Common Garter Snake
Thamnophis sirtalis
1,160 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
1,122 observations
Common Snapping Turtle
Chelydra serpentina
995 observations
American Toad
Anaxyrus americanus
923 observations
Common Watersnake
Nerodia sipedon
906 observations
American Bullfrog
Lithobates catesbeianus
886 observations
Diamondback Terrapin
Malaclemys terrapin
869 observations
Eastern Red-backed Salamander
Plethodon cinereus
764 observations
Common Five-lined Skink
Plestiodon fasciatus
594 observations
Southern Leopard Frog
Lithobates sphenocephalus
583 observations
Eastern Ratsnake
Pantherophis alleghaniensis
483 observations
Pickerel Frog
Lithobates palustris
452 observations
Eastern Fence Lizard
Sceloporus undulatus
432 observations
Pond Slider
Trachemys scripta
430 observations
Eastern Musk Turtle
Sternotherus odoratus
421 observations
Eastern Mud Turtle
Kinosternon subrubrum
418 observations
Northern Cricket Frog
Acris crepitans
370 observations
Eastern Spadefoot
Scaphiopus holbrookii
366 observations
DeKay's Brownsnake
Storeria dekayi
359 observations
Marbled Salamander
Ambystoma opacum
342 observations
Spring Peeper
Pseudacris crucifer
321 observations
North American Racer
Coluber constrictor
319 observations
Wood Frog
Lithobates sylvaticus
316 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
296 observations · iNaturalist
Green Treefrog
Dryophytes cinereus
269 observations · iNaturalist
Spotted Turtle
Clemmys guttata
176 observations
Ring-necked Snake
Diadophis punctatus
175 observations
Gray Treefrog
Dryophytes versicolor
160 observations · iNaturalist
Common Wormsnake
Carphophis amoenus
143 observations
Northern Two-lined Salamander
Eurycea bislineata
140 observations
Eastern Hognose Snake
Heterodon platirhinos
109 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
98 observations · iNaturalist
Eastern Newt
Notophthalmus viridescens
96 observations
Rough Greensnake
Opheodrys aestivus
91 observations
Northern Dusky Salamander
Desmognathus fuscus
78 observations
Common Ribbon Snake
Thamnophis saurita
66 observations · iNaturalist
New Jersey Chorus Frog
Pseudacris kalmi
62 observations · iNaturalist
Eastern Milksnake
Lampropeltis triangulum
49 observations
Spotted Salamander
Ambystoma maculatum
48 observations
Four-toed Salamander
Hemidactylium scutatum
43 observations
Striped Mud Turtle
Kinosternon baurii
31 observations
Barking Tree Frog
Dryophytes gratiosus
28 observations · iNaturalist
Eastern Tiger Salamander
Ambystoma tigrinum
22 observations
Red Salamander
Pseudotriton ruber
22 observations
Loggerhead Sea Turtle
Caretta caretta
19 observations
Long-tailed Salamander
Eurycea longicauda
17 observations