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Endangered, Threatened & Special Concern Birds

| E |
Sharp-shinned hawk |
Accipiter striatus |
| SC |
Northern saw-whet owl |
Aegolius acadicus |
| SC |
Saltmarsh sharp-tailed sparrow |
Ammodramus caudacutus |
| SC |
Henslow's sparrow* |
Ammodramus henslowii |
| T |
Seaside sparrow |
Ammodramus maritimus |
| E |
Grasshopper sparrow |
Ammodramus savannarum |
| T |
Blue-winged teal (nesting population only) |
Anas discors |
| T |
Great egret |
Ardea alba |
| T |
Short-eared owl (wintering populations) |
Asio flammeus |
| E |
Long-eared owl |
Asio otus |
| E |
Upland sandpiper |
Bartramia longicauda |
| E |
American bittern |
Botaurus lentiginosus |
| SC |
Broad-winged hawk |
Buteo platypterus |
| SC |
Whip-poor-will |
Caprimulgus vociferus |
| T |
Piping plover^ |
Charadrius melodus |
| E |
Common nighthawk |
Chordeiles minor |
| E |
Northern harrier |
Circus cyaneus |
| E |
Sedge wren |
Cistothorus platensis |
| SC |
Bobolink |
Dolichonyx oryzivorus |
| SC |
Little blue heron |
Egretta caerulea |
| T |
Snowy egret |
Egretta thula |
| SC |
Alder flycatcher |
Empidonax alnorum |
| E |
Horned lark |
Eremophila alpestris |
| T |
Peregrine falcon |
Falco peregrinus |
| T |
American kestrel |
Falco sparverius |
| E |
Common moorhen |
Gallinula chloropus |
| SC |
Common loon |
Gavia immer |
| T |
American oystercatcher |
Haematopus palliatus |
| T |
Bald eagle |
Haliaeetus leucocephalus |
| E |
Yellow-breasted chat |
Icteria virens |
| T |
Least bittern |
Ixobrychus exilis |
| E |
Black rail (nesting population only) |
Laterallus jamaicensis |
| E |
Red-headed woodpecker |
Melanerpes erythrocephalus |
| SC |
Eskimo curlew*+ |
Numenius borealis |
| SC |
Yellow-crowned night-heron |
Nyctanassa violacea |
| SC |
Northern parula |
Parula americana |
| SC |
Savannah sparrow |
Passerculus sandwichensis |
| SC |
Ipswich sparrow (wintering populations) |
Passerculus sandwichensis ssp. princeps |
| SC |
Glossy ibis |
Plegadis falcinellus |
| E |
Pied-billed grebe |
Podilymbus podiceps |
| E |
Vesper sparrow |
Pooecetes gramineus |
| T |
Purple martin |
Progne subis |
| E |
King rail (nesting population only) |
Rallus elegans |
| E |
Roseate tern+ |
Sterna dougallii |
| SC |
Common tern |
Sterna hirundo |
| T |
Least tern |
Sternula antillarum |
| SC |
Eastern meadowlark |
Sturnella magna |
| SC |
Brown thrasher |
Toxostoma rufum |
| E |
Barn owl |
Tyto alba |
| E |
Golden-winged warbler |
Vermivora chrysoptera |
Effective July 1, 2010
* Believed Extirpated + Federally Endangered ^ Federally Threatened
Mammals | Reptiles | Amphibians | Fish | Invertebrates | Plants Endangered, Threatened and Special Concern Species in Connecticut
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