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Reptiles & Amphibians of Delaware

The reptiles & amphibians most often spotted in Delaware, ranked by recent research-grade observations.

26,368
recent observations
50
species listed
50
reptiles & amphibians

Naturalists have logged 26,368 research-grade observations across the 50 most-recorded species in Delaware. The most frequently seen is the Fowler's Toad, with 3,824 recorded sightings.

Most-observed reptiles & amphibians in Delaware

Fowler's Toad
Anaxyrus fowleri
3,824 observations
Painted Turtle
Chrysemys picta
1,902 observations
Common Box Turtle
Terrapene carolina
1,395 observations
North American Green Frog
Lithobates clamitans
1,319 observations
Common Garter Snake
Thamnophis sirtalis
1,239 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
1,180 observations
Common Snapping Turtle
Chelydra serpentina
1,059 observations
American Toad
Anaxyrus americanus
1,051 observations
Central Ratsnake
Pantherophis alleghaniensis
1,023 observations
American Bullfrog
Lithobates catesbeianus
965 observations
Common Watersnake
Nerodia sipedon
946 observations
Diamondback Terrapin
Malaclemys terrapin
924 observations
Eastern Red-backed Salamander
Plethodon cinereus
810 observations
Common Five-lined Skink
Plestiodon fasciatus
694 observations
Southern Leopard Frog
Lithobates sphenocephalus
676 observations
Pickerel Frog
Lithobates palustris
499 observations
Eastern Fence Lizard
Sceloporus undulatus
471 observations
Pond Slider
Trachemys scripta
468 observations
Eastern Mud Turtle
Kinosternon subrubrum
457 observations
Eastern Musk Turtle
Sternotherus odoratus
439 observations
DeKay's Brownsnake
Storeria dekayi
420 observations
Eastern Spadefoot
Scaphiopus holbrookii
397 observations
Northern Cricket Frog
Acris crepitans
388 observations
North American Racer
Coluber constrictor
344 observations
Marbled Salamander
Ambystoma opacum
341 observations
Green Treefrog
Dryophytes cinereus
337 observations · iNaturalist
Cope's Gray Tree Frog
Dryophytes chrysoscelis
337 observations · iNaturalist
Spring Peeper
Pseudacris crucifer
329 observations
Wood Frog
Lithobates sylvaticus
326 observations
Ring-necked Snake
Diadophis punctatus
196 observations
Spotted Turtle
Clemmys guttata
189 observations
Gray Treefrog
Dryophytes versicolor
175 observations · iNaturalist
Northern Two-lined Salamander
Eurycea bislineata
155 observations
Common Wormsnake
Carphophis amoenus
151 observations
Eastern Hognose Snake
Heterodon platirhinos
116 observations
Eastern Newt
Notophthalmus viridescens
105 observations
Rough Greensnake
Opheodrys aestivus
103 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
103 observations
Northern Dusky Salamander
Desmognathus fuscus
84 observations
Common Ribbon Snake
Thamnophis saurita
68 observations
Eastern Milksnake
Lampropeltis triangulum
63 observations
New Jersey Chorus Frog
Pseudacris kalmi
62 observations · iNaturalist
Spotted Salamander
Ambystoma maculatum
47 observations
Four-toed Salamander
Hemidactylium scutatum
43 observations
Striped Mud Turtle
Kinosternon baurii
33 observations
Barking Tree Frog
Dryophytes gratiosus
29 observations · iNaturalist
Red Salamander
Pseudotriton ruber
24 observations
Eastern Tiger Salamander
Ambystoma tigrinum
21 observations
Long-tailed Salamander
Eurycea longicauda
21 observations
Loggerhead Sea Turtle
Caretta caretta
20 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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