Reptiles & Amphibians of Connecticut
The reptiles & amphibians most often spotted in Connecticut, ranked by recent research-grade observations.
40,136
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 40,136 research-grade observations across the 50 most-recorded species in Connecticut. The most frequently seen is the American Toad, with 3,464 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
3,464 observations
Green Frog
Lithobates clamitans
3,419 observations
Common Garter Snake
Thamnophis sirtalis
2,975 observations
Painted Turtle
Chrysemys picta
2,762 observations
Wood Frog
Lithobates sylvaticus
2,524 observations
Gray Treefrog
Dryophytes versicolor
2,282 observations · iNaturalist
Eastern Red-backed Salamander
Plethodon cinereus
2,175 observations
Pickerel Frog
Lithobates palustris
2,067 observations
Eastern Newt
Notophthalmus viridescens
1,988 observations
Spring Peeper
Pseudacris crucifer
1,869 observations
Common Snapping Turtle
Chelydra serpentina
1,864 observations
Diamondback Terrapin
Malaclemys terrapin
1,820 observations
Common Watersnake
Nerodia sipedon
1,618 observations
American Bullfrog
Lithobates catesbeianus
1,254 observations
Common Box Turtle
Terrapene carolina
1,003 observations
Spotted Salamander
Ambystoma maculatum
968 observations
Central Ratsnake
Pantherophis alleghaniensis
821 observations
Ring-necked Snake
Diadophis punctatus
578 observations
Eastern Milksnake
Lampropeltis triangulum
560 observations
Northern Two-lined Salamander
Eurycea bislineata
511 observations
DeKay's Brownsnake
Storeria dekayi
482 observations
Pond Slider
Trachemys scripta
381 observations
Fowler's Toad
Anaxyrus fowleri
360 observations
North American Racer
Coluber constrictor
329 observations
Spotted Turtle
Clemmys guttata
309 observations
Marbled Salamander
Ambystoma opacum
244 observations
Four-toed Salamander
Hemidactylium scutatum
242 observations
Wood Turtle
Glyptemys insculpta
199 observations
Eastern Musk Turtle
Sternotherus odoratus
191 observations
Northern Dusky Salamander
Desmognathus fuscus
173 observations
Eastern Copperhead
Agkistrodon contortrix
166 observations
Common Ribbon Snake
Thamnophis saurita
106 observations · iNaturalist
Eastern Hognose Snake
Heterodon platirhinos
85 observations
Timber Rattlesnake
Crotalus horridus
73 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
21 observations · iNaturalist
Common Five-lined Skink
Plestiodon fasciatus
18 observations
Green Sea Turtle
Chelonia mydas
13 observations
Common Mudpuppy
Necturus maculosus
12 observations
Brown Anole
Anolis sagrei
12 observations
Eastern Spadefoot
Scaphiopus holbrookii
11 observations
Kemp's Ridley Sea Turtle
Lepidochelys kempii
11 observations · iNaturalist
Smooth Greensnake
Opheodrys vernalis
10 observations
Jefferson Salamander
Ambystoma jeffersonianum
9 observations
Loggerhead Sea Turtle
Caretta caretta
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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