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Reptiles & Amphibians of Maryland

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

256,720
recent observations
50
species listed
50
reptiles & amphibians

Naturalists have logged 256,720 research-grade observations across the 50 most-recorded species in Maryland. The most frequently seen is the Common Box Turtle, with 20,786 recorded sightings.

Most-observed reptiles & amphibians in Maryland

Common Box Turtle
Terrapene carolina
20,786 observations
American Toad
Anaxyrus americanus
18,989 observations
Painted Turtle
Chrysemys picta
16,529 observations
Eastern Red-backed Salamander
Plethodon cinereus
13,308 observations
Central Ratsnake
Pantherophis alleghaniensis
12,328 observations
Pond Slider
Trachemys scripta
12,123 observations
North American Green Frog
Lithobates clamitans
11,890 observations
Common Watersnake
Nerodia sipedon
11,631 observations
Fowler's Toad
Anaxyrus fowleri
11,063 observations
Common Snapping Turtle
Chelydra serpentina
9,758 observations
Common Garter Snake
Thamnophis sirtalis
9,536 observations
Common Five-lined Skink
Plestiodon fasciatus
9,459 observations
American Bullfrog
Lithobates catesbeianus
9,151 observations
DeKay's Brownsnake
Storeria dekayi
6,519 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
5,541 observations
Pickerel Frog
Lithobates palustris
5,158 observations
Eastern Newt
Notophthalmus viridescens
4,751 observations
Northern Cricket Frog
Acris crepitans
4,675 observations
Wood Frog
Lithobates sylvaticus
4,464 observations
Green Treefrog
Dryophytes cinereus
3,970 observations · iNaturalist
Spring Peeper
Pseudacris crucifer
3,784 observations
Northern Two-lined Salamander
Eurycea bislineata
3,541 observations
Ring-necked Snake
Diadophis punctatus
3,357 observations
Eastern Fence Lizard
Sceloporus undulatus
3,278 observations
Common Wormsnake
Carphophis amoenus
3,229 observations
Southern Leopard Frog
Lithobates sphenocephalus
3,105 observations
Spotted Salamander
Ambystoma maculatum
2,707 observations
North American Racer
Coluber constrictor
2,503 observations
Cope's Gray Tree Frog
Dryophytes chrysoscelis
2,366 observations · iNaturalist
Broad-headed Skink
Plestiodon laticeps
2,358 observations
Eastern Copperhead
Agkistrodon contortrix
2,184 observations
Marbled Salamander
Ambystoma opacum
2,006 observations
Diamondback Terrapin
Malaclemys terrapin
1,910 observations
Eastern Mud Turtle
Kinosternon subrubrum
1,876 observations
Rough Greensnake
Opheodrys aestivus
1,679 observations
Gray Treefrog
Dryophytes versicolor
1,633 observations · iNaturalist
Eastern Musk Turtle
Sternotherus odoratus
1,324 observations
Eastern Spadefoot
Scaphiopus holbrookii
1,258 observations
Eastern Milksnake
Lampropeltis triangulum
1,153 observations
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
1,146 observations
Northern Dusky Salamander
Desmognathus fuscus
1,120 observations
Red Salamander
Pseudotriton ruber
1,028 observations
Spotted Turtle
Clemmys guttata
1,003 observations
Timber Rattlesnake
Crotalus horridus
904 observations
Common Ribbon Snake
Thamnophis saurita
878 observations
Long-tailed Salamander
Eurycea longicauda
861 observations
Eastern Hognose Snake
Heterodon platirhinos
787 observations
Northern Slimy Salamander
Plethodon glutinosus
759 observations
White-spotted Slimy Salamander
Plethodon cylindraceus
682 observations
Seal Salamander
Desmognathus monticola
672 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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