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Species of Connecticut

Includes rare, incidental, and introduced species.

Information and species will be continuously updated.

Common Redpoll 1
Acanthis flammea
Hoary Redpoll 1
Acanthis hornemanni
Northern Goshawk 2
Accipiter gentilis
Sharp-shinned Hawk 3
Accipiter striatus
Box Elder 4
Acer negundo
Striped Maple 5
Acer pensylvanicum
Silver Maple 6
Acer saccharinum
Sugar Maple 7
Acer saccharum
Mountain Maple
Acer spicatum
Mountain Maple
Acer spicatum
Spotted Sandpiper 8
Actitis macularius
Maidenhair Fern 9
Adiantum pedatum
Maidenhair Fern 9
Adiantum pedatum
Western Grebe 10
Aechmophorus occidentalis
Northern Saw-whet Owl 11
Aegolius acadicus
Boreal Owl 12
Aegolius funereus
Red-winged Blackbird 13
Agelaius phoeniceus
Copperhead 14
Agkistrodon contortrix
Wood Duck 15
Aix sponsa
Razorbill 16
Alca torda
Dovekie 17
Alle alle
Jefferson Salamander 18
Ambystoma jeffersonianum
Blue-spotted Salamander 19
Ambystoma laterale
Spotted Salamander 18
Ambystoma maculatum
Marbled Salamander 20
Ambystoma opacum
AMECAN 21
Amelanchier canadensis
Saltmarsh Sparrow 22
Ammodramus caudacutus
Seaside Sparrow 23
Ammodramus maritimus
Grasshopper Sparrow
Ammodramus savannarum
Northern Pintail 24
Anas acuta
American Wigeon 25
Anas americana
Northern Shoveler 11
Anas clypeata
Green-winged Teal 26
Anas crecca
Cinnamon Teal 27
Anas cyanoptera
Blue-winged Teal 11
Anas discors
Eurasian Wigeon 28
Anas penelope
Mallard 29
Anas platyrhynchos
American Black Duck 30
Anas rubripes
Gadwall 31
Anas strepera
American Toad 32
Anaxyrus americanus
Fowler's Toad 20
Anaxyrus fowleri
Anhinga 33
Greater White-fronted Goose 34
Anser albifrons
Graylag Goose 35
Anser anser
Pink-footed Goose 36
Anser brachyrhynchus
American Pipit 14
Anthus rubescens
Eastern Whip-poor-will 37
Antrostomus vociferus
Golden Eagle 14
Aquila chrysaetos
Ruby-throated Hummingbird
Archilochus colubris
Great Egret 10
Ardea alba
Great Blue Heron 10
Ardea herodias
Ruddy Turnstone 38
Arenaria interpres
black chokeberry 21
Aronia melanocarpa
Short-eared Owl 11
Asio flammeus
Long-eared Owl 14
Asio otus
mountain spleenwort 9
Asplenium montanum
ebony spleenwort 21
Asplenium platyneuron
walking fern 36
Asplenium rhizophyllum
wall-rue 39
Asplenium ruta-muraria
maidenhair spleenwort 40
Asplenium trichomanes
Burrowing Owl 41
Athene cunicularia
Lady Fern 42
Athyrium filix-femina
Audubon’s Shearwater
Lesser Scaup 43
Aythya affinis
Redhead
Aythya americana
Ring-necked Duck 11
Aythya collaris
Tufted Duck 11
Aythya fuligula
Greater Scaup
Aythya marila
Canvasback 14
Aythya valisineria
Tufted Titmouse 44
Baeolophus bicolor
Baird’s Sandpiper
Barrow’s Goldeneye
Upland Sandpiper 14
Bartramia longicauda
Bell’s Vireo
sweet birch 45
Betula lenta
Paper Birch 46
Betula papyrifera
Gray Birch 47
Betula populifolia
Bicknell’s Thrush
Cedar Waxwing 48
Bombycilla cedrorum
Bohemian Waxwing 11
Bombycilla garrulus
Bonaparte’s Gull
Ruffed Grouse 49
Bonasa umbellus
American Bittern 28
Botaurus lentiginosus
cut-leaved grape-fern 50
Botrychium dissectum
lance-leaved moonwort 51
Botrychium lanceolatum
chamomile-leaved moonwort 52
Botrychium matricariifolium
blunt-lobed grapefern 53
Botrychium oneidense
Rattlesnake Fern 52
Botrypus virginianus
Brant 54
Branta bernicla
Canada Goose 55
Branta canadensis
Cackling Goose 56
Branta hutchinsii
Barnacle Goose 57
Branta leucopsis
Brewer’s Blackbird
Snowy Owl 58
Bubo scandiacus
Great Horned Owl 59
Bubo virginianus
Cattle Egret
Bubulcus ibis
Bufflehead 11
Bucephala albeola
Common Goldeneye 60
Bucephala clangula
Bullock’s Oriole
Red-tailed Hawk 61
Buteo jamaicensis

Edited by haleynedd, some rights reserved (CC BY-SA)

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