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Reptiles & Amphibians of Chesapeake & Ohio Canal National Historical Park

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

43,407
recent observations
50
species listed
50
reptiles & amphibians

Naturalists have logged 43,407 research-grade observations across the 50 most-recorded species in C&O Canal. The most frequently seen is the American Toad, with 4,214 recorded sightings.

Most-observed reptiles & amphibians in C&O Canal

American Toad
Anaxyrus americanus
4,214 observations
Common Box Turtle
Terrapene carolina
3,321 observations
Eastern Red-backed Salamander
Plethodon cinereus
3,035 observations
Painted Turtle
Chrysemys picta
2,819 observations
Central Ratsnake
Pantherophis alleghaniensis
2,484 observations
Pond Slider
Trachemys scripta
2,408 observations
North American Green Frog
Lithobates clamitans
2,297 observations
Common Watersnake
Nerodia sipedon
2,262 observations
Common Garter Snake
Thamnophis sirtalis
1,852 observations
Common Five-lined Skink
Plestiodon fasciatus
1,623 observations
Common Snapping Turtle
Chelydra serpentina
1,549 observations
Wood Frog
Lithobates sylvaticus
1,359 observations
DeKay's Brownsnake
Storeria dekayi
1,308 observations
American Bullfrog
Lithobates catesbeianus
1,082 observations
Northern Two-lined Salamander
Eurycea bislineata
1,078 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
1,071 observations
Pickerel Frog
Lithobates palustris
996 observations
Fowler's Toad
Anaxyrus fowleri
995 observations
Broad-headed Skink
Plestiodon laticeps
965 observations
Ring-necked Snake
Diadophis punctatus
710 observations
Spring Peeper
Pseudacris crucifer
665 observations
Common Wormsnake
Carphophis amoenus
624 observations
Eastern Copperhead
Agkistrodon contortrix
617 observations
Spotted Salamander
Ambystoma maculatum
468 observations
Eastern Fence Lizard
Sceloporus undulatus
377 observations
Eastern Newt
Notophthalmus viridescens
358 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
294 observations · iNaturalist
Gray Treefrog
Dryophytes versicolor
278 observations · iNaturalist
Eastern Spadefoot
Scaphiopus holbrookii
272 observations
North American Racer
Coluber constrictor
210 observations
Northern Dusky Salamander
Desmognathus fuscus
182 observations
Eastern Musk Turtle
Sternotherus odoratus
174 observations
Eastern Milksnake
Lampropeltis triangulum
173 observations
Red Salamander
Pseudotriton ruber
162 observations
Marbled Salamander
Ambystoma opacum
149 observations
Long-tailed Salamander
Eurycea longicauda
132 observations
Rough Greensnake
Opheodrys aestivus
126 observations
Timber Rattlesnake
Crotalus horridus
120 observations
Northern Cricket Frog
Acris crepitans
89 observations
Smooth Earthsnake
Virginia valeriae
75 observations
Northern Slimy Salamander
Plethodon glutinosus
70 observations
Queensnake
Regina septemvittata
62 observations
River Cooter
Pseudemys concinna
60 observations
Wood Turtle
Glyptemys insculpta
47 observations
Eastern Hognose Snake
Heterodon platirhinos
42 observations
Green Treefrog
Dryophytes cinereus
36 observations · iNaturalist
Red-bellied Snake
Storeria occipitomaculata
32 observations
Italian Wall Lizard
Podarcis siculus
32 observations
Common Ribbon Snake
Thamnophis saurita
28 observations
Jefferson Salamander
Ambystoma jeffersonianum
25 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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