Connecticut Endangered and Threatened Species Fact Sheets
Copyright: These fact sheets may be copied and used for educational purposes only. Illustrations and photographs are copyright protected and may not be used in any other format.
PDF versions of these fact sheets are also available to download and print.
Endangered Mammals
Endangered Birds
American Bittern (PDF)
Barn Owl (PDF)
Common Moorhen (PDF)
Grasshopper Sparrow (PDF)
King Rail (PDF)
Long-eared Owl (PDF)
Northern Harrier (PDF)
Pied-billed Grebe (PDF)
Red-headed Woodpecker (PDF)
Roseate Tern (PDF)
Sedge Wren (PDF)
Sharp-shinned Hawk (PDF)
Upland Sandpiper (PDF)
Vesper Sparrow (PDF)
Yellow-breasted Chat (PDF)
Endangered Reptiles
Bog Turtle (PDF)
Atlantic Ridley Sea Turtle (PDF)
Leatherback Sea Turtle (PDF)
Timber Rattlesnake (PDF)
Endangered Amphibians
Blue-spotted Salamander (diploid populations) (PDF)
Eastern Spadefoot (PDF)
Endangered Invertebrates
Threatened Birds
Bald Eagle (PDF)
Great Egret (PDF)
Least Bittern (PDF)
Least Tern (PDF)
Peregrine Falcon (PDF)
Piping Plover (PDF)
Short-eared Owl (PDF)
Snowy Egret (PDF)
Threatened Reptiles
Atlantic Green Sea Turtle (PDF)
Five-lined Skink (PDF)
Loggerhead Sea Turtle (PDF)
Threatened Amphibians
Northern Slimy Salamander (PDF)
Northern Spring Salamander (PDF)
Special Concern Birds
Special Concern Reptiles
Common Ribbonsnake (PDF)
Eastern Box Turtle (PDF)
Eastern Hog-nosed Snake (PDF)
Northern Diamondback Terrapin (PDF)
Spotted Turtle (PDF)
Wood Turtle (PDF)
Special Concern Amphibians
Blue-spotted Salamander "complex" (PDF)
Jefferson Salamander (PDF)
Mudpuppy (PDF)