Reptiles & Amphibians of Connecticut
The reptiles & amphibians most often spotted in Connecticut, ranked by recent research-grade observations.
40,977
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 40,977 research-grade observations across the 50 most-recorded species in Connecticut. The most frequently seen is the American Toad, with 3,557 recorded sightings.
Rarer finds confirmed in Connecticut include Green Sea Turtle and Kemp's Ridley Sea Turtle - uncommon enough that a sighting is worth logging.
Most-observed reptiles & amphibians in Connecticut
American Toad
Anaxyrus americanus
3,557 observations
Green Frog
Lithobates clamitans
3,517 observations
Common Garter Snake
Thamnophis sirtalis
3,017 observations
Painted Turtle
Chrysemys picta
2,797 observations
Wood Frog
Lithobates sylvaticus
2,581 observations
Gray Treefrog
Dryophytes versicolor
2,348 observations · iNaturalist
Eastern Red-backed Salamander
Plethodon cinereus
2,205 observations
Pickerel Frog
Lithobates palustris
2,154 observations
Eastern Newt
Notophthalmus viridescens
2,017 observations
Spring Peeper
Pseudacris crucifer
1,917 observations
Common Snapping Turtle
Chelydra serpentina
1,900 observations
Diamondback Terrapin
Malaclemys terrapin
1,826 observations
Common Watersnake
Nerodia sipedon
1,639 observations
American Bullfrog
Lithobates catesbeianus
1,298 observations
Common Box Turtle
Terrapene carolina
1,015 observations
Spotted Salamander
Ambystoma maculatum
979 observations
Central Ratsnake
Pantherophis alleghaniensis
840 observations
Ring-necked Snake
Diadophis punctatus
592 observations
Eastern Milksnake
Lampropeltis triangulum
570 observations
Northern Two-lined Salamander
Eurycea bislineata
519 observations
DeKay's Brownsnake
Storeria dekayi
497 observations
Pond Slider
Trachemys scripta
385 observations
Fowler's Toad
Anaxyrus fowleri
364 observations
North American Racer
Coluber constrictor
345 observations
Spotted Turtle
Clemmys guttata
312 observations
Four-toed Salamander
Hemidactylium scutatum
247 observations
Marbled Salamander
Ambystoma opacum
246 observations
Wood Turtle
Glyptemys insculpta
200 observations
Eastern Musk Turtle
Sternotherus odoratus
194 observations
Northern Dusky Salamander
Desmognathus fuscus
177 observations
Eastern Copperhead
Agkistrodon contortrix
167 observations
Common Ribbon Snake
Thamnophis saurita
104 observations
Eastern Hognose Snake
Heterodon platirhinos
87 observations
Timber Rattlesnake
Crotalus horridus
73 observations
Northern Leopard Frog
Lithobates pipiens
41 observations
Common Wormsnake
Carphophis amoenus
38 observations
Red-bellied Snake
Storeria occipitomaculata
32 observations
Italian Wall Lizard
Podarcis siculus
27 observations
Blue-spotted Salamander
Ambystoma laterale
26 observations
Common Five-lined Skink
Plestiodon fasciatus
19 observations
Brown Anole
Anolis sagrei
14 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
Atlantic Coast Leopard Frog
Lithobates kauffeldi
11 observations
Smooth Greensnake
Opheodrys vernalis
10 observations
Jefferson Salamander
Ambystoma jeffersonianum
9 observations
Loggerhead Sea Turtle
Caretta caretta
9 observations
Eastern Tiger Salamander
Ambystoma tigrinum
8 observations
Reptiles & Amphibians in nearby places
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