New Haven

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Illustrated Checklist

Updated ~30 hours ago

410 Species Observed

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Species w/ Audio

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Snow x Ross's Goose (hybrid) Anser caerulescens x rossii

Last observed by Betsy MacMillan on 20 Jan 2020
Graylag x Swan Goose (hybrid) Anser anser x cygnoides

Last observed by Alex Greatorex on 28 Oct 2023
Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensis

Last observed by Julie Hart on 4 Nov 2017
Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensis

Last observed by Chris Loscalzo on 14 Dec 2024
Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis

Last observed by Nick Bonomo on 20 Jul 2017
Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis

Last observed by Brien Hindman on 5 Jan 2025
Barnacle x Canada Goose (hybrid) Branta leucopsis x canadensis

Last observed by Nick Bonomo on 13 Oct 2016
Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes

Last observed by Micky Komara on 22 Apr 2025
Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acuta

Last observed by John Oshlick on 11 Mar 2025
Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinis

Last observed by Nick Bonomo on 25 Dec 2019
Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinis

Last observed by Nick Bonomo on 20 Mar 2019
Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandica

Last observed by Severin Uebbing on 26 Feb 2023
Dunlin x White-rumped Sandpiper (hybrid) Calidris alpina x fuscicollis

Last observed by Severin Uebbing on 12 Jun 2022
American Herring x Glaucous Gull (hybrid) Larus smithsonianus x hyperboreus

Last observed by Dan Rottino on 22 Mar 2016
Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihi

Last observed by Nick Bonomo on 11 May 2022
Little Blue x Tricolored Heron (hybrid) Egretta caerulea x tricolor

Last observed by Micky Komara on 25 Oct 2020
Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollis

Last observed by Preston Lust on 18 Dec 2021
Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbula

Last observed by Nick Bonomo on 29 Nov 2009
Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera

Last observed by Chuck Imbergamo on 23 May 2024
Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)

Last observed by Jason Rieger on 21 May 2021
Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)

Last observed by Ed Bailey on 13 May 2024

Domestic goose sp. (Domestic type) Anser sp. (Domestic type)

Last observed by Jason Rieger on 10 Jan 2025
Cackling/Canada Goose Branta hutchinsii/canadensis

Last observed by CT IBA Program on 7 Mar 2025
swan sp. Cygnus sp.

Last observed by Facundo Fernandez-Duque on 2 Jan 2024
goose sp. Anatidae (goose sp.)

Last observed by george visnic on 29 Mar 2025
Mallard/American Black Duck Anas platyrhynchos/rubripes

Last observed by Max Epstein on 2 Sep 2024
dabbling duck sp. Anatidae sp. (dabbling duck sp.)

Last observed by Julien Amsellem on 11 Oct 2024
Greater/Lesser Scaup Aythya marila/affinis

Last observed by Judy Moore on 14 Apr 2025
Aythya sp. Aythya sp.

Last observed by Julien Amsellem on 29 Mar 2025
eider sp. Somateria sp.

Last observed by Micky Komara on 7 Feb 2025
Surf/Black Scoter Melanitta perspicillata/americana

Last observed by CT IBA Program on 11 Apr 2025
scoter sp. Melanitta sp.

Last observed by Russ Smiley on 19 Apr 2025
Common/Red-breasted Merganser Mergus merganser/serrator

Last observed by George Amato on 4 May 2020
merganser sp. Mergellus/Lophodytes/Mergus sp.

Last observed by Dean Rupp on 23 Mar 2020
duck sp. Anatidae (duck sp.)

Last observed by Greg Hanisek on 24 Apr 2025
pigeon/dove sp. Columbidae sp.

Last observed by Adrian Burke on 23 Jul 2019
Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus

Last observed by Jesse Huth on 29 Sep 2024
nightjar sp. Caprimulgidae sp.

Last observed by John Oshlick on 24 Apr 2016
Rufous/Allen's Hummingbird Selasphorus rufus/sasin

Last observed by Michael Russo on 30 Nov 2024
hummingbird sp. Trochilidae sp.

Last observed by Carolyn Monastra on 30 Jul 2024
King/Clapper Rail Rallus elegans/crepitans

Last observed by Nick Bonomo on 12 May 2021
rail/crake sp. Rallidae sp. (rail/crake sp.)

Last observed by Frank Mantlik on 16 Jan 2025
American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulva

Last observed by Charlie Barnard Jr. on 25 Jul 2015
Black-bellied Plover/golden-plover sp. Pluvialis sp.

Last observed by Otys Train on 13 Oct 2024
plover sp. Charadriidae sp.

Last observed by jean adamus on 16 Oct 2024
godwit sp. Limosa sp.

Last observed by Brendan Murtha on 19 Oct 2021
Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus

Last observed by Patty & John Werth on 14 Sep 2024
phalarope sp. Phalaropus sp.

Last observed by Ed Bailey on 15 Nov 2024
Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca

Last observed by Buckaroo Banzai on 22 Apr 2025
Western/Semipalmated Sandpiper Calidris mauri/pusilla

Last observed by Alex Lin-Moore on 3 Sep 2023
peep sp. Calidris sp. (peep sp.)

Last observed by Steve Mayo on 22 Apr 2025
Calidris sp. Calidris sp.

Last observed by Jacob Musser on 23 Apr 2025
Scolopacidae sp. Scolopacidae sp.

Last observed by Arthur Shippee on 29 Aug 2014
large shorebird sp. Charadriiformes sp. (large shorebird sp.)

Last observed by Arthur Shippee on 29 Oct 2015
shorebird sp. Charadriiformes sp. (shorebird sp.)

Last observed by Owen Robertson on 21 Apr 2025
jaeger sp. Stercorarius sp. (jaeger sp.)

Last observed by Stephen Spector on 23 Aug 2021
alcid sp. Alcidae sp.

Last observed by Chuck Imbergamo on 14 Nov 2022
American Herring/Iceland Gull Larus smithsonianus/glaucoides

Last observed by Julien Amsellem on 1 Apr 2024
white-winged gull sp. Larus sp. (white-winged gull sp.)

Last observed by Jeff Cianciolo on 11 Mar 2025
Larus sp. Larus sp.

Last observed by Paul Smith on 25 Apr 2025
gull sp. Larinae sp.

Last observed by Cally Conron on 25 Apr 2025
Forster's/Common Tern Sterna forsteri/hirundo

Last observed by James Armstrong on 22 May 2022
Sterna sp. Sterna sp.

Last observed by Ade Ben-Sal. on 19 Apr 2025
large tern sp. Hydroprogne/Thalasseus sp.

Last observed by Jack Halibozek on 28 Oct 2024
tern sp. Sterninae sp.

Last observed by Paul McPartland on 12 Nov 2024
Podiceps sp. Podiceps sp.

Last observed by Curtis Marantz on 6 Nov 2004
Western/Clark's Grebe Aechmophorus occidentalis/clarkii

Last observed by Connecticut Rare Records on 15 Dec 1973
grebe sp. Podicipedidae sp.

Last observed by maggie peretto on 9 Jan 2025
loon sp. Gavia sp.

Last observed by Cody Limber on 25 Apr 2025
storm-petrel sp. Oceanitidae/Hydrobatidae sp.

Last observed by Tim Antanaitis on 30 Jul 2005
Cory's/Scopoli's Shearwater Calonectris borealis/diomedea

Last observed by Micky Komara on 15 Aug 2018
Cory's/Scopoli's/Great Shearwater Calonectris borealis/diomedea/Ardenna gravis

Last observed by Jory Teltser on 16 Aug 2018
shearwater sp. Procellariidae sp. (shearwater sp.)

Last observed by Stephen Broker on 9 Aug 2024
frigatebird sp. Fregata sp.

Last observed by Connecticut Rare Records on 18 Jul 1990
Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritum

Last observed by Adrian Burke on 8 Jan 2021
cormorant sp. Phalacrocoracidae sp.

Last observed by Stephen Spector on 14 Apr 2025
Glossy/White-faced Ibis Plegadis falcinellus/chihi

Last observed by George Mcmanus on 6 Apr 2025
ibis sp. Threskiornithidae sp. (ibis sp.)

Last observed by Russ Smiley on 30 May 2024
Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea

Last observed by Steve Mayo on 10 Oct 2024
heron sp. Ardeidae sp.

Last observed by L&J Meyer on 19 Sep 2024
white egret sp. Egretta/Ardea sp.

Last observed by Anonymous eBirder on 23 Apr 2025
new world vulture sp. Cathartidae sp.

Last observed by karen o'hearn on 22 Apr 2025
Sharp-shinned/Cooper's Hawk Accipiter striatus/Astur cooperii

Last observed by Anonymous eBirder on 10 Apr 2025
Accipitrine hawk sp. (former Accipiter sp.) Aerospiza/Tachyspiza/Accipiter/Astur sp.

Last observed by Jeff Cianciolo on 2 Apr 2025
Buteo sp. Buteo sp.

Last observed by Adam Cunningham on 20 Apr 2025
hawk sp. Accipitridae sp. (hawk sp.)

Last observed by Krzysztof Lasocki on 22 Apr 2025
eagle sp. Accipitridae sp. (eagle sp.)

Last observed by MARIA STOCKMAL on 21 Sep 2024
Long-eared/Short-eared Owl Asio otus/flammeus

Last observed by Frank Mantlik on 10 Dec 2020
Asio sp. Asio sp.

Last observed by Julien Amsellem on 1 Mar 2024
owl sp. Strigiformes sp.

Last observed by Robert Buck on 30 Jan 2025
Downy/Hairy Woodpecker Dryobates pubescens/villosus

Last observed by Rick Zahn on 24 Apr 2025
Dryobates sp. Dryobates sp.

Last observed by Anonymous eBirder on 26 Feb 2025
woodpecker sp. Picidae sp.

Last observed by Paul Smith on 11 Apr 2025
large falcon sp. Falco sp. (large falcon sp.)

Last observed by william banks on 29 Oct 2013
small falcon sp. Falco sp. (small falcon sp.)

Last observed by Mike Lengle on 31 Mar 2025
falcon sp. Falco sp.

Last observed by Nancy Clark on 24 Apr 2025
diurnal raptor sp. Accipitriformes/Falconiformes sp.

Last observed by Jorge Ellis on 27 May 2022
parakeet sp. Psittaciformes sp. (parakeet sp.)

Last observed by Thomas Kenefick on 13 Jun 2015
Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii

Last observed by Paul Smith on 15 Sep 2024
Empidonax sp. Empidonax sp.

Last observed by Gina Nichol on 12 Oct 2024
new world flycatcher sp. Tyrannidae sp.

Last observed by Matteo Onofrio on 12 Oct 2024
solitary vireo sp. Vireo cassinii/solitarius/plumbeus

Last observed by CT IBA Program on 15 May 2010
Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus

Last observed by George Amato on 18 Sep 2020
vireo sp. Vireo sp.

Last observed by Alex Greatorex on 22 Apr 2025
American/Fish Crow Corvus brachyrhynchos/ossifragus

Last observed by Julien Amsellem on 23 Jan 2024
crow sp. Corvus sp. (crow sp.)

Last observed by Paul Smith on 25 Apr 2025
crow/raven sp. Corvus sp.

Last observed by Adrian Burke on 23 Apr 2021
Cliff/Cave Swallow Petrochelidon pyrrhonota/fulva

Last observed by Alex Lin-Moore on 21 Oct 2018
swallow sp. Hirundinidae sp.

Last observed by L&J Meyer on 24 Apr 2025
Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa

Last observed by Christopher Unsworth on 8 Apr 2022
nuthatch sp. Sitta sp.

Last observed by Scott Baron on 16 Oct 2007
wren sp. Troglodytidae sp.

Last observed by Meagan Moyer on 21 Mar 2025
mimid sp. Mimidae sp.

Last observed by Corrine Folsom-O'Keefe on 6 Apr 2018
Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli

Last observed by James Quarello on 18 Oct 2024
Catharus sp. Catharus sp.

Last observed by Kimberly Jannarone on 2 Oct 2024
thrush sp. Turdidae sp.

Last observed by Martha Rice on 28 Feb 2025
House/Purple Finch Haemorhous mexicanus/purpureus

Last observed by Eunice Mahler on 19 Mar 2022
Haemorhous sp. Haemorhous sp.

Last observed by Adrian Burke on 4 May 2021
crossbill sp. Loxia sp.

Last observed by William Batsford on 26 Dec 2012
Spinus sp. Spinus sp.

Last observed by Corrine Folsom-O'Keefe on 25 Oct 2012
Acanthis/Spinus sp. Acanthis/Spinus sp.

Last observed by Adrian Burke on 21 Nov 2018
finch sp. Fringillidae sp.

Last observed by Adam Cunningham on 20 Apr 2025
longspur sp. Calcarius/Rhynchophanes sp.

Last observed by Frank Gallo on 31 Oct 2012
Spizella sp. Spizella sp.

Last observed by Julien Amsellem on 25 Oct 2024
Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.

Last observed by Adrian Burke on 27 Nov 2014
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta

Last observed by Julien Amsellem on 25 Oct 2024
Ammospiza sp. Ammospiza sp.

Last observed by Kimberly Jannarone on 2 Nov 2024
Lincoln's/Swamp Sparrow Melospiza lincolnii/georgiana

Last observed by Nick Bonomo on 30 Sep 2019
new world sparrow sp. Passerellidae sp.

Last observed by Chuck Imbergamo on 24 Apr 2025
new world oriole sp. Icterus sp.

Last observed by Judy Moore on 24 Apr 2025
grackle sp. Quiscalus sp.

Last observed by beau schaefer on 11 Oct 2022
blackbird sp. Icteridae sp.

Last observed by Nancy Clark on 24 Apr 2025
Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis

Last observed by Nick Bonomo on 13 Aug 2024
Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera

Last observed by Frank Mantlik on 17 May 2024
Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)

Last observed by Julien Amsellem on 21 Sep 2023
Bay-breasted/Blackpoll Warbler Setophaga castanea/striata

Last observed by CT IBA Program on 19 May 2024
new world warbler sp. Parulidae sp.

Last observed by Greg Hanisek on 24 Apr 2025
sparrow/warbler sp. (trilling song) Passerellidae/Parulidae sp. (trilling song)

Last observed by Julien Amsellem on 13 Apr 2025
tanager sp. (Piranga sp.) Piranga sp.

Last observed by Nancy Clark on 21 May 2017
Passerina sp. Passerina sp.

Last observed by Julien Amsellem on 15 Sep 2023
passerine sp. Passeriformes sp.

Last observed by Judy Moore on 14 Apr 2025
bird sp. Aves sp.

Last observed by Buckaroo Banzai on 21 Apr 2025

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Illustrated Checklist

Native and Naturalized (410)

Exotic: Escapee (17)

Hybrids (21)

Additional Taxa (121)