Reptiles & Amphibians of Massachusetts
The reptiles & amphibians most often spotted in Massachusetts, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Massachusetts
Painted Turtle
Chrysemys picta
14,654 observations
Common Garter Snake
Thamnophis sirtalis
13,283 observations
American Toad
Anaxyrus americanus
11,757 observations
Green Frog
Lithobates clamitans
9,428 observations
Eastern Red-backed Salamander
Plethodon cinereus
9,131 observations
Wood Frog
Lithobates sylvaticus
8,752 observations
Eastern Newt
Notophthalmus viridescens
8,367 observations
Spring Peeper
Pseudacris crucifer
6,814 observations
American Bullfrog
Lithobates catesbeianus
6,727 observations
Common Snapping Turtle
Chelydra serpentina
6,521 observations
Gray Treefrog
Dryophytes versicolor
6,126 observations · iNaturalist
Common Watersnake
Nerodia sipedon
5,598 observations
Pickerel Frog
Lithobates palustris
4,738 observations
Spotted Salamander
Ambystoma maculatum
4,656 observations
Eastern Milksnake
Lampropeltis triangulum
2,521 observations
Pond Slider
Trachemys scripta
1,839 observations
Fowler's Toad
Anaxyrus fowleri
1,550 observations
Northern Two-lined Salamander
Eurycea bislineata
1,549 observations
DeKay's Brownsnake
Storeria dekayi
1,496 observations
Common Box Turtle
Terrapene carolina
1,486 observations
Spotted Turtle
Clemmys guttata
1,459 observations
Ring-necked Snake
Diadophis punctatus
1,411 observations
Diamondback Terrapin
Malaclemys terrapin
1,146 observations
North American Racer
Coluber constrictor
975 observations
Four-toed Salamander
Hemidactylium scutatum
675 observations
Northern Leopard Frog
Lithobates pipiens
665 observations
Eastern Musk Turtle
Sternotherus odoratus
586 observations
Common Ribbon Snake
Thamnophis saurita
544 observations · iNaturalist
Northern Dusky Salamander
Desmognathus fuscus
424 observations
Wood Turtle
Glyptemys insculpta
391 observations
Eastern Ratsnake
Pantherophis alleghaniensis
363 observations
Blanding's Turtle
Emydoidea blandingii
338 observations
Marbled Salamander
Ambystoma opacum
316 observations
Red-bellied Snake
Storeria occipitomaculata
279 observations · iNaturalist
Eastern Spadefoot
Scaphiopus holbrookii
252 observations
Eastern Hognose Snake
Heterodon platirhinos
245 observations
Eastern Copperhead
Agkistrodon contortrix
186 observations
Italian Wall Lizard
Podarcis siculus
172 observations · iNaturalist
Smooth Greensnake
Opheodrys vernalis
141 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
122 observations
Timber Rattlesnake
Crotalus horridus
106 observations
Blue-spotted Salamander
Ambystoma laterale
105 observations
Spring Salamander
Gyrinophilus porphyriticus
59 observations
Kemp's Ridley Sea Turtle
Lepidochelys kempii
43 observations · iNaturalist
Jefferson Salamander
Ambystoma jeffersonianum
39 observations
Leatherback Sea Turtle
Dermochelys coriacea
39 observations
Brown Anole
Anolis sagrei
37 observations
Unisexual Mole Salamander
Ambystoma unisexual
35 observations · iNaturalist
Common Wormsnake
Carphophis amoenus
33 observations
Common Mudpuppy
Necturus maculosus
33 observations