Reptiles & Amphibians of Connecticut
The reptiles & amphibians most often spotted in Connecticut, ranked by recent research-grade observations.
39,464
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 39,464 research-grade observations across the 50 most-recorded species in Connecticut. The most frequently seen is the American Toad, with 3,381 recorded sightings.
Rarer finds confirmed in Connecticut include Green Sea Turtle - uncommon enough that a sighting is worth logging.
Most-observed reptiles & amphibians in Connecticut
American Toad
Anaxyrus americanus
3,381 observations
Green Frog
Lithobates clamitans
3,348 observations
Common Garter Snake
Thamnophis sirtalis
2,934 observations
Painted Turtle
Chrysemys picta
2,735 observations
Wood Frog
Lithobates sylvaticus
2,486 observations
Gray Treefrog
Dryophytes versicolor
2,223 observations · iNaturalist
Eastern Red-backed Salamander
Plethodon cinereus
2,167 observations
Pickerel Frog
Lithobates palustris
1,986 observations
Eastern Newt
Notophthalmus viridescens
1,963 observations
Common Snapping Turtle
Chelydra serpentina
1,845 observations
Spring Peeper
Pseudacris crucifer
1,827 observations
Diamondback Terrapin
Malaclemys terrapin
1,812 observations
Common Watersnake
Nerodia sipedon
1,596 observations
American Bullfrog
Lithobates catesbeianus
1,228 observations
Common Box Turtle
Terrapene carolina
993 observations
Spotted Salamander
Ambystoma maculatum
965 observations
Central Ratsnake
Pantherophis alleghaniensis
814 observations
Ring-necked Snake
Diadophis punctatus
561 observations
Eastern Milksnake
Lampropeltis triangulum
550 observations
Northern Two-lined Salamander
Eurycea bislineata
504 observations
DeKay's Brownsnake
Storeria dekayi
473 observations
Pond Slider
Trachemys scripta
377 observations
Fowler's Toad
Anaxyrus fowleri
349 observations
North American Racer
Coluber constrictor
325 observations
Spotted Turtle
Clemmys guttata
306 observations
Marbled Salamander
Ambystoma opacum
243 observations
Four-toed Salamander
Hemidactylium scutatum
235 observations
Wood Turtle
Glyptemys insculpta
197 observations
Eastern Musk Turtle
Sternotherus odoratus
182 observations
Northern Dusky Salamander
Desmognathus fuscus
165 observations
Eastern Copperhead
Agkistrodon contortrix
160 observations
Common Ribbon Snake
Thamnophis saurita
106 observations · iNaturalist
Eastern Hognose Snake
Heterodon platirhinos
84 observations
Timber Rattlesnake
Crotalus horridus
74 observations
Common Wormsnake
Carphophis amoenus
37 observations
Northern Leopard Frog
Lithobates pipiens
37 observations
Red-bellied Snake
Storeria occipitomaculata
31 observations · iNaturalist
Blue-spotted Salamander
Ambystoma laterale
26 observations
Italian Wall Lizard
Podarcis siculus
20 observations · iNaturalist
Common Five-lined Skink
Plestiodon fasciatus
17 observations
Green Sea Turtle
Chelonia mydas
13 observations
Common Mudpuppy
Necturus maculosus
12 observations
Eastern Spadefoot
Scaphiopus holbrookii
11 observations
Kemp's Ridley Sea Turtle
Lepidochelys kempii
11 observations · iNaturalist
Brown Anole
Anolis sagrei
11 observations
Jefferson Salamander
Ambystoma jeffersonianum
9 observations
Loggerhead Sea Turtle
Caretta caretta
9 observations
Smooth Greensnake
Opheodrys vernalis
9 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
9 observations · iNaturalist
Eastern Tiger Salamander
Ambystoma tigrinum
8 observations
Reptiles & Amphibians in nearby places
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