States Wildlife

Birds of Connecticut: The Official State Checklist

Last checked November 3, 2026 against official sources.

On this page
  1. All 455 birds
  2. When they are active
  3. About this list
  4. Sources

ARCC: The list below includes the 454 bird species recorded in Connecticut and accepted by the Avian Records Committee of Connecticut (ARCC).

This page lists 455 birds: all from ARCC's Checklist of the Birds of Connecticut. 6 are nonnative. ARCC gives a total of 454; the 455 here are the birds official sources name one by one.

All 455 birds on the list

  • Acadian Flycatcher
  • Alder Flycatcher
  • American Avocet
  • American Barn Owl
  • American Bittern
  • American Black Duck
  • American Coot
  • American Crow
  • American Golden-Plover
  • American Goldfinch
  • American Goshawk
  • American Herring Gull
  • American Kestrel
  • American Oystercatcher
  • American Pipit
  • American Redstart
  • American Robin
  • American Tree Sparrow
  • American White Pelican
  • American Wigeon
  • American Woodcock
  • Anhinga
  • Arctic Tern
  • Ash-throated Flycatcher
  • Atlantic Puffin
  • Baird’s Sandpiper
  • Bald Eagle
  • Baltimore Oriole
  • Band-rumped Storm-Petrel
  • Band-tailed Pigeon
  • Bank Swallow
  • Bar-tailed Godwit
  • Barn Swallow
  • Barnacle Goose
  • Barred Owl
  • Barrow’s Goldeneye
  • Bay-breasted Warbler
  • Bell’s Vireo
  • Belted Kingfisher
  • Bicknell’s Thrush
  • Black Guillemot
  • Black Rail
  • Black Scoter
  • Black Skimmer
  • Black Tern
  • Black Vulture
  • Black-and-white Warbler
  • Black-backed Oriole
  • Black-backed Woodpecker
  • Black-bellied Plover
  • Black-bellied Whistling-Duck
  • Black-billed Cuckoo
  • Black-capped Chickadee
  • Black-capped Petrel
  • Black-chinned Hummingbird
  • Black-crowned Night Heron
  • Black-headed Grosbeak
  • Black-headed Gull
  • Black-legged Kittiwake
  • Black-necked Stilt
  • Black-tailed Godwit
  • Black-throated Blue Warbler
  • Black-throated Gray Warbler
  • Black-throated Green Warbler
  • Blackburnian Warbler
  • Blackpoll Warbler
  • Blue Grosbeak
  • Blue Jay
  • Blue-gray Gnatcatcher
  • Blue-headed Vireo
  • Blue-winged Teal
  • Blue-winged Warbler
  • Boat-tailed Grackle
  • Bohemian Waxwing
  • Bonaparte’s Gull
  • Boreal Chickadee
  • Boreal Owl
  • Brambling
  • Brant
  • Brewer’s Blackbird
  • Brewer’s Sparrow
  • Bridled Tern
  • Broad-billed Hummingbird
  • Broad-winged Hawk
  • Brown Booby
  • Brown Creeper
  • Brown Pelican
  • Brown Thrasher
  • Brown-chested Martin
  • Brown-headed Cowbird
  • Buff-breasted Sandpiper
  • Bufflehead
  • Bullock’s Oriole
  • Burrowing Owl
  • Cackling Goose
  • California Gull
  • Calliope Hummingbird
  • Canada Goose
  • Canada Warbler
  • Canvasback
  • Cape May Warbler
  • Carolina Wren
  • Caspian Tern
  • Cassin’s Kingbird
  • Cave Swallow
  • Cedar Waxwing
  • Cerulean Warbler
  • Chestnut-collared Longspur
  • Chestnut-sided Warbler
  • Chimney Swift
  • Chipping Sparrow
  • Chuck-will’s-widow
  • Cinnamon Teal
  • Clapper Rail
  • Clay-colored Sparrow
  • Cliff Swallow
  • Common Eider
  • Common Gallinule
  • Common Goldeneye
  • Common Grackle
  • Common Ground-Dove
  • Common Gull
  • Common Loon
  • Common Merganser
  • Common Murre
  • Common Nighthawk
  • Common Raven
  • Common Ringed Plover
  • Common Tern
  • Common Yellowthroat
  • Connecticut Warbler
  • Cooper’s Hawk
  • Corn Crake
  • Cory’s Shearwater
  • Crested Caracara
  • Curlew Sandpiper
  • Dark-eyed Junco
  • Dickcissel
  • Double-crested Cormorant
  • Dovekie
  • Downy Woodpecker
  • Dunlin
  • Eared Grebe
  • Eastern Bluebird
  • Eastern Kingbird
  • Eastern Meadowlark
  • Eastern Phoebe
  • Eastern Screech-Owl
  • Eastern Towhee
  • Eastern Warbling-Vireo
  • Eastern Whip-poor-will
  • Eastern Wood-Pewee
  • Eskimo Curlew
  • Eurasian Collared-Dove
  • Eurasian Jackdaw
  • Eurasian Tree Sparrow
  • Eurasian Whimbrel
  • Eurasian Wigeon
  • European StarlingNonnative
  • Evening Grosbeak
  • Field Sparrow
  • Fieldfare
  • Fish Crow
  • Fork-tailed Flycatcher
  • Forster’s Tern
  • Fox Sparrow
  • Franklin’s Gull
  • Fulvous Whistling-Duck
  • Gadwall
  • Glaucous Gull
  • Glossy Ibis
  • Golden Eagle
  • Golden-crowned Kinglet
  • Golden-crowned Sparrow
  • Golden-winged Warbler
  • Grasshopper Sparrow
  • Gray Catbird
  • Gray Flycatcher
  • Gray Kingbird
  • Gray Partridge
  • Gray-cheeked Thrush
  • Graylag Goose
  • Great Black-backed Gull
  • Great Blue Heron
  • Great Cormorant
  • Great Crested Flycatcher
  • Great Egret
  • Great Gray Owl
  • Great Horned Owl
  • Great Shearwater
  • Greater Prairie-Chicken
  • Greater Scaup
  • Greater White-fronted Goose
  • Greater Yellowlegs
  • Green Heron
  • Green-tailed Towhee
  • Green-winged Teal
  • Gull-billed Tern
  • Gyrfalcon
  • Hairy Woodpecker
  • Harlequin Duck
  • Harris’s Sparrow
  • Henslow’s Sparrow
  • Hermit Thrush
  • Hermit Warbler
  • Hooded Merganser
  • Hooded Warbler
  • Horned Grebe
  • Horned Lark
  • House Finch
  • House SparrowNonnative
  • Hudsonian Godwit
  • Hudsonian Whimbrel
  • Iceland Gull
  • Indigo Bunting
  • Ivory Gull
  • Kentish Plover
  • Kentucky Warbler
  • Killdeer
  • King Eider
  • King Rail
  • Labrador Duck
  • Lapland Longspur
  • Lark Bunting
  • Lark Sparrow
  • Laughing Gull
  • Lazuli Bunting
  • Leach’s Storm-Petrel
  • Least Bittern
  • Least Flycatcher
  • Least Sandpiper
  • Least Tern
  • LeConte’s Sparrow
  • Lesser Black-backed Gull
  • Lesser Scaup
  • Lesser Yellowlegs
  • Lincoln’s Sparrow
  • Little Blue Heron
  • Little Egret
  • Little Gull
  • Little Stint
  • Loggerhead Shrike
  • Long-billed Curlew
  • Long-billed Dowitcher
  • Long-eared Owl
  • Long-tailed Duck
  • Long-tailed Jaeger
  • Louisiana Waterthrush
  • MacGillivray’s Warbler
  • Magnificent Frigatebird
  • Magnolia Warbler
  • Mallard
  • Manx Shearwater
  • Marbled Godwit
  • Marsh Wren
  • Merlin
  • Mexican Violetear
  • Mississippi Kite
  • Monk ParakeetNonnative
  • Mountain Bluebird
  • Mourning Dove
  • Mourning Warbler
  • Mute SwanNonnative
  • Nashville Warbler
  • Nelson’s Sparrow
  • Northern Bobwhite
  • Northern Cardinal
  • Northern Flicker
  • Northern Fulmar
  • Northern Gannet
  • Northern Harrier
  • Northern Hawk Owl
  • Northern House Wren
  • Northern Lapwing
  • Northern Mockingbird
  • Northern Parula
  • Northern Pintail
  • Northern Rough-winged Swallow
  • Northern Saw-whet Owl
  • Northern Shoveler
  • Northern Shrike
  • Northern Waterthrush
  • Northern Wheatear
  • Northern Yellow Warbler
  • Olive-sided Flycatcher
  • Orange-crowned Warbler
  • Orchard Oriole
  • Osprey
  • Ovenbird
  • Pacific Golden-Plover
  • Pacific Loon
  • Painted Bunting
  • Palm Warbler
  • Parasitic Jaeger
  • Passenger Pigeon
  • Pectoral Sandpiper
  • Peregrine Falcon
  • Philadelphia Vireo
  • Pied-billed Grebe
  • Pileated Woodpecker
  • Pine Grosbeak
  • Pine Siskin
  • Pine Warbler
  • Pink-footed Goose
  • Piping Plover
  • Pomarine Jaeger
  • Prairie Warbler
  • Prothonotary Warbler
  • Purple Finch
  • Purple Gallinule
  • Purple Martin
  • Purple Sandpiper
  • Razorbill
  • Red Crossbill
  • Red Knot
  • Red Phalarope
  • Red-bellied Woodpecker
  • Red-breasted Merganser
  • Red-breasted Nuthatch
  • Red-eyed Vireo
  • Red-headed Woodpecker
  • Red-necked Grebe
  • Red-necked Phalarope
  • Red-necked Stint
  • Red-shouldered Hawk
  • Red-tailed Hawk
  • Red-throated Loon
  • Red-winged Blackbird
  • Redhead
  • Redpoll
  • Ring-billed Gull
  • Ring-necked Duck
  • Ring-necked PheasantNonnative
  • Rock PigeonNonnative
  • Rose-breasted Grosbeak
  • Roseate Spoonbill
  • Roseate Tern
  • Ross’s Goose
  • Ross’s Gull
  • Rough-legged Hawk
  • Royal Tern
  • Ruby-crowned Kinglet
  • Ruby-throated Hummingbird
  • Ruddy Duck
  • Ruddy Turnstone
  • Ruff
  • Ruffed Grouse
  • Rufous Hummingbird
  • Rusty Blackbird
  • Sabine’s Gull
  • Saltmarsh Sparrow
  • Sanderling
  • Sandhill Crane
  • Sandwich Tern
  • Sargasso (Audubon’s) Shearwater
  • Savannah Sparrow
  • Say’s Phoebe
  • Scarlet Tanager
  • Scissor-tailed Flycatcher
  • Seaside Sparrow
  • Sedge Wren
  • Semipalmated Plover
  • Semipalmated Sandpiper
  • Sharp-shinned Hawk
  • Sharp-tailed Sandpiper
  • Short-billed Dowitcher
  • Short-billed Gull
  • Short-eared Owl
  • Slaty-backed Gull
  • Smith’s Longspur
  • Snow Bunting
  • Snow Goose
  • Snowy Egret
  • Snowy Owl
  • Solitary Sandpiper
  • Song Sparrow
  • Sooty Shearwater
  • Sooty Tern
  • Sora
  • Spotted Redshank
  • Spotted Sandpiper
  • Spotted Towhee
  • Sprague’s Pipit
  • Stilt Sandpiper
  • Summer Tanager
  • Surf Scoter
  • Swainson’s Hawk
  • Swainson’s Thrush
  • Swallow-tailed Kite
  • Swamp Sparrow
  • Tennessee Warbler
  • Thick-billed Murre
  • Townsend’s Solitaire
  • Townsend’s Warbler
  • Tree Swallow
  • Tricolored Heron
  • Tropical Kingbird
  • Trumpeter Swan
  • Tufted Duck
  • Tufted Titmouse
  • Tundra Swan
  • Turkey Vulture
  • Upland Sandpiper
  • Varied Thrush
  • Veery
  • Vega Gull
  • Vesper Sparrow
  • Violet-green Swallow
  • Virginia Rail
  • Western Cattle Egret
  • Western Flycatcher
  • Western Grebe
  • Western Kingbird
  • Western Meadowlark
  • Western Sandpiper
  • Western Tanager
  • White Ibis
  • White-breasted Nuthatch
  • White-crowned Sparrow
  • White-eyed Vireo
  • White-faced Ibis
  • White-faced Storm-Petrel
  • White-rumped Sandpiper
  • White-tailed Kite
  • White-tailed Tropicbird
  • White-throated Sparrow
  • White-winged Crossbill
  • White-winged Dove
  • White-winged Scoter
  • Wild Turkey
  • Willet
  • Willow Flycatcher
  • Wilson’s Phalarope
  • Wilson’s Plover
  • Wilson’s Snipe
  • Wilson’s Storm-Petrel
  • Wilson’s Warbler
  • Winter Wren
  • Wood Duck
  • Wood Stork
  • Wood Thrush
  • Worm-eating Warbler
  • Yellow Rail
  • Yellow-bellied Flycatcher
  • Yellow-bellied Sapsucker
  • Yellow-billed Cuckoo
  • Yellow-breasted Chat
  • Yellow-crowned Night Heron
  • Yellow-green Vireo
  • Yellow-headed Blackbird
  • Yellow-rumped Warbler
  • Yellow-throated Vireo
  • Yellow-throated Warbler
  • Zone-tailed Hawk

When birds are active in Connecticut

Records of birds in Connecticut peak in March to June and September to October. They show when people record birds, not how many there are (about month bars).

13,801,208 records of birds in Connecticut by month (GBIF, CC0 and CC BY records).

About this list

The species list comes from Checklist of the Birds of Connecticut (Avian Records Committee of Connecticut, Connecticut Ornithological Association) (Connecticut Ornithological Association (COA) / Avian Records Committee of Connecticut (ARCC), Updated 3/10 & 9/17/26 by Frank Gallo (per page); retrieved 2026-11-03).

Venom does not apply to birds.

"Nonnative" and "Invasive" follow the wording of the source list. See invasive species in Connecticut.

Sources

  1. Report a Wildlife Sighting. Connecticut Department of Energy and Environmental Protection (DEEP), Wildlife Division. Content last updated September 22, 2026; checked November 3, 2026.
  2. Checklist of the Birds of Connecticut (454 species accepted by the Avian Records Committee of Connecticut). Connecticut Ornithological Association (COA) / Avian Records Committee of Connecticut (ARCC). Updated 3/10 & 9/17/26 by Frank Gallo; checked November 3, 2026.
    Quoted passages (1)
    “The list below includes the 454 bird species recorded in Connecticut and accepted by the Avian Records Committee of Connecticut (ARCC).”
  3. GBIF.org occurrence records, human observations licensed CC0 1.0 or CC BY 4.0 only, accessed November 3, 2026. The datasets behind these counts are listed on our Sources page.