Below is a working checklist of Mount Desert Island's birds. The order of the species follows the American Ornithologists' Union web version of the Check-list of North American Birds. Please send corrections and updates to info@vfthomas.com. Photographs are welcome. Thank you.
| Order | Family (Subfamily) | Genus | Specific Epithet | authority | common name | Sources (full citations given after this table) |
| Anseriformes | Anatidae (Anserinae) | Anser | albifrons | ? | Greater White-fronted Goose | Champlainer (RMacD) |
| Anseriformes | Anatidae (Anserinae) | Chen | caerulescens | ? | Snow Goose | ANP |
| Anseriformes | Anatidae (Anserinae) | Branta | bernicla | ? | Brant | ANP; Champlainer (RMacD) |
| Anseriformes | Anatidae (Anserinae) | Branta | canadensis | ? | Canada Goose | ANP |
| Anseriformes | Anatidae (Anserinae) | Cygnus | olor | ? | Mute Swan | Champlainer (RMacD) |
| Anseriformes | Anatidae (Anatinae) | Aix | sponsa | ? | Wood Duck | ANP |
| Anseriformes | Anatidae (Anatinae) | Anas | americana | ? | American Wigeon | ANP |
| Anseriformes | Anatidae (Anatinae) | Anas | rubripes | ? | American Black Duck | ANP; Champlainers (JJG, LH, AH, SCH, TAH, CM, TFV) |
| Anseriformes | Anatidae (Anatinae) | Anas | platyrhynchos | ? | Mallard | ANP; Champlainers (JJG, SCH, TAH, CM, TFV) |
| Anseriformes | Anatidae (Anatinae) | Anas | discors | ? | Blue-winged Teal | ANP |
| Anseriformes | Anatidae (Anatinae) | Anas | acuta | ? | Northern Pintail | ANP |
| Anseriformes | Anatidae (Anatinae) | Anas | crecca | ? | Green-winged Teal | ANP; Champlainer (TFV) |
| Anseriformes | Anatidae (Anatinae) | Aythya | collaris | ? | Ring-necked Duck | ANP |
| Anseriformes | Anatidae (Anatinae) | Aythya | marila | ? | Greater Scaup | ANP |
| Anseriformes | Anatidae (Anatinae) | Somateria | spectabilis | ? | King Eider | ANP; Champlainer (RMacD) |
| Anseriformes | Anatidae (Anatinae) | Somateria | mollissima | ? | Common Eider | ANP; Champlainers (JJG, LH, AH, SCH, TAH, TFV) |
| Anseriformes | Anatidae (Anatinae) | Histrionicus | histrionicus | ? | Harlequin Duck | ANP |
| Anseriformes | Anatidae (Anatinae) | Melanitta | perspicillata | ? | Surf Scoter | ANP |
| Anseriformes | Anatidae (Anatinae) | Melanitta | fusca | ? | White-winged Scoter | ANP |
| Anseriformes | Anatidae (Anatinae) | Melanitta | nigra | ? | Black Scoter | ANP |
| Anseriformes | Anatidae (Anatinae) | Clangula | hyemalis | ? | Long-tailed Duck | ANP; Champlainers (JJG, LH, AH, SCH, TAH, TFV) |
| Anseriformes | Anatidae (Anatinae) | Bucephala | albeola | ? | Bufflehead | ANP; Champlainers (JJG, LH, AH, SCH, TAH, TFV) |
| Anseriformes | Anatidae (Anatinae) | Bucephala | clangula | ? | Common Goldeneye | ANP; Champlainer (TFV) |
| Anseriformes | Anatidae (Anatinae) | Bucephala | islandica | ? | Barrow's Goldeneye | ANP |
| Anseriformes | Anatidae (Anatinae) | Lophodytes | cucullatus | ? | Hooded Merganser | ANP; Champlainers (JJG, SCH, TAH, CM, WM, TFV) |
| Anseriformes | Anatidae (Anatinae) | Mergus | merganser | ? | Common Merganser | ANP; Champlainer (TFV) |
| Anseriformes | Anatidae (Anatinae) | Mergus | serrator | ? | Red-breasted Merganser | ANP; Champlainers (JJG, SCH, TAH, TFV) |
| Anseriformes | Anatidae (Anatinae) | Oxyura | jamaicensis | ? | Ruddy Duck | ANP |
| Galliformes | Phasianidae (Phasianinae) | Phasianus | colchicus | ? | Ring-necked Pheasant | ANP; Champlainer (TFV) |
| Galliformes | Phasianidae (Tetraoninae) | Bonasa | umbellus | ? | Ruffed Grouse | ANP; Champlainer (TFV) |
| Galliformes | Phasianidae (Tetraoninae) | Falcipennis | canadensis | ? | Spruce Grouse | ANP |
| Galliformes | Phasianidae (Meleagridinae) | Meleagris | gallopavo | ? | Wild Turkey | ANP; Champlainers (RGG, TFV) |
| Galliformes | Odontophoridae | Colinus | virginianus | ? | Northern Bobwhite | ANP; note: As of 2005, the Maine Bird Records Committee included this species on its hypothetical list, for which documentation was insufficient. |
| Gaviiformes | Gaviidae | Gavia | stellata | ? | Red-throated Loon | ANP; Champlainers (EH, RMacD, CP, CW) |
| Gaviiformes | Gaviidae | Gavia | pacifica | ? | Pacific Loon | Champlainer (RMacD) |
| Gaviiformes | Gaviidae | Gavia | immer | ? | Common Loon | ANP; Champlainers (JJG, LH, AH, SCH, TAH, TFV) |
| Podicipediformes | Podicipedidae | Podilymbus | podiceps | ? | Pied-billed Grebe | ANP |
| Podicipediformes | Podicipedidae | Podiceps | auritus | ? | Horned Grebe | ANP |
| Podicipediformes | Podicipedidae | Podiceps | grisegena | ? | Red-necked Grebe | ANP |
| Procellariiformes | Diomedeidae | Diomedea | chlororhynchos | ? | Yellow-nosed Albatross | ANP |
| Procellariiformes | Procellariidae | Fulmarus | glacialis | ? | Northern Fulmar | ANP |
| Procellariiformes | Procellariidae | Calonectris | diomedea | ? | Cory's Shearwater | ANP |
| Procellariiformes | Procellariidae | Puffinus | gravis | ? | Greater Shearwater | ANP |
| Procellariiformes | Procellariidae | Puffinus | griseus | ? | Sooty Shearwater | ANP |
| Procellariiformes | Procellariidae | Puffinus | puffinus | ? | Manx Shearwater | ANP |
| Procellariiformes | Hydrobatidae | Oceanites | oceanicus | ? | Wilson's Storm-Petrel | ANP |
| Procellariiformes | Hydrobatidae | Oceanodroma | leucorhoa | ? | Leach's Storm-Petrel | ANP |
| ? | Sulidae | Morus | bassanus | ? | Northern Gannet | ANP; Champlainers (JJG, LH, AH, SCH, TAH) |
| Pelecaniformes | Pelicanidae | Pelecanus | erythrorhynchos | ? | American White Pellican | ANP |
| Pelecaniformes | Phalacrocoracidae | Phalacrocorax | auritus | ? | Double-crested Cormorant | ANP; Champlainers (WM, TFV) |
| Pelecaniformes | Phalacrocoracidae | Phalacrocorax | carbo | ? | Great Cormorant | ANP |
| Pelecaniformes | Fregatidae | Fregata | magnificens | ? | Magnificent Frigatebird | Champlainer (RMacD) |
| Ciconiiformes | Ardeidae | Botaurus | lentiginosus | ? | American Bittern | ANP |
| Ciconiiformes | Ardeidae | Ixobrychus | exilis | ? | Least Bittern | ANP |
| Ciconiiformes | Ardeidae | Ardea | herodias | ? | Great Blue Heron | ANP; Champlainers (WM, TFV) |
| Ciconiiformes | Ardeidae | Ardea | alba | ? | Great Egret | ANP |
| Ciconiiformes | Ardeidae | Egretta | thula | ? | Snowy Egret | ANP |
| Ciconiiformes | Ardeidae | Egretta | caerulea | ? | Little Blue Heron | ANP |
| Ciconiiformes | Ardeidae | Bubulcus | ibis | ? | Cattle Egret | ANP |
| Ciconiiformes | Ardeidae | Butorides | virescens | ? | Green Heron | ANP |
| Ciconiiformes | Ardeidae | Nycticorax | nycticorax | ? | Black-crowned Night-Heron | ANP |
| Ciconiiformes | Ardeidae | Nyctanassa | violacea | ? | Yellow-crowned Night-Heron | ANP |
| Ciconiiformes | Ardeidae | Plegadis | falcinellus | ? | Glossy Ibis | ANP |
| Falconiformes | Cathartidae | Cathartes | aura | ? | Turkey Vulture | ANP; Champlainers (CM, WM, TFV, JW) |
| Falconiformes | Accipitridae (Pandioninae) | Pandion | haliaetus | ? | Osprey | ANP; Champlainers (EH, RMacD, WM, CP, TFV, CW) |
| Falconiformes | Accipitridae (Accipitrinae) | Haliaeetus | leucocephalus | ? | Bald Eagle | ANP; Champlainers (JJG, SCH, TAH, CM, TFV) |
| Falconiformes | Accipitridae (Accipitrinae) | Circus | cyaneus | ? | Northern Harrier | ANP; Champlainer (TAH) |
| Falconiformes | Accipitridae (Accipitrinae) | Accipiter | striatus | ? | Sharp-shinned Hawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Accipiter | cooperii | ? | Cooper's Hawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Accipiter | gentilis | ? | Northern Goshawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Buteo | lineatus | ? | Red-shouldered Hawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Buteo | platypterus | ? | Broad-winged Hawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Buteo | jamaicensis | ? | Red-tailed Hawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Buteo | lagopus | ? | Rough-legged Hawk | ANP |
| Falconiformes | Accipitridae (Accipitrinae) | Aquila | chrysaetos | ? | Golden Eagle | ANP |
| Falconiformes | Falconidae (Falconinae) | Falco | sparverius | ? | American Kestrel | ANP |
| Falconiformes | Falconidae (Falconinae) | Falco | columbarius | ? | Merlin | ANP |
| Falconiformes | Falconidae (Falconinae) | Falco | peregrinus | ? | Peregrine Falcon | ANP; Champlainer (TFV) |
| Gruiformes | Rallidae | Rallus | limicola | ? | Virginia Rail | ANP |
| Gruiformes | Rallidae | Porzana | carolina | ? | Sora | ANP |
| Gruiformes | Rallidae | Porphyrula | martinica | ? | Purple Gallinule | ANP |
| Gruiformes | Rallidae | Gallinula | chloropus | ? | Common Moorhen | ANP |
| Gruiformes | Rallidae | Fulica | americana | ? | American Coot | ANP |
| Charadriiformes | Charadriidae (Charadriinae) | Pluvialis | squatarola | ? | Black-bellied Plover | ANP |
| Charadriiformes | Charadriidae (Charadriinae) | Pluvialis | dominica | ? | American Golden-Plover | ANP |
| Charadriiformes | Charadriidae (Charadriinae) | Charadrius | semipalmatus | ? | Semipalmated Plover | ANP |
| Charadriiformes | Charadriidae (Charadriinae) | Charadrius | vociferus | ? | Killdeer | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Actitis | macularius | ? | Spotted Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Tringa | melanoleuca | ? | Greater Yellowlegs | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Tringa | flavipes | ? | Lesser Yellowlegs | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Tringa | solitaria | ? | Solitary Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Tringa | semipalmata | ? | Willet | ANP as Catoptrophorus semipalmatus |
| Charadriiformes | Scolopacidae (Scolopacinae) | Bartramia | longicauda | ? | Upland Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Numenius | phaeopus | ? | Whimbrel | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Numenius | americanus | ? | Long-billed Curlew | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Arenaria | interpres | ? | Ruddy Turnstone | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | canutus | ? | Red Knot | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | alba | ? | Sanderling | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | pusilla | ? | Semipalmated Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | minutilla | ? | Least Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | fuscicollis | ? | White-rumped Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | melanotos | ? | Pectoral Sandpiper | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | maritima | ? | Purple Sandpiper | ANP; Champlainer (TFV) |
| Charadriiformes | Scolopacidae (Scolopacinae) | Calidris | alpina | ? | Dunlin | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Limnodromus | griseus | ? | Short-billed Dowitcher | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Gallinago | delicata | ? | Wilson's Snipe | ANP |
| Charadriiformes | Scolopacidae (Scolopacinae) | Scolopax | minor | ? | American Woodcock | ANP; Champlainers (RM, DN, JW) |
| Charadriiformes | Scolopacidae (Phalaropodinae) | Phalaropus | tricolor | ? | Wilson's Phalarope | ANP |
| Charadriiformes | Scolopacidae (Phalaropodinae) | Phalaropus | lobatus | ? | Red-necked Phalarope | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | atricilla | ? | Laughing Gull | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | pipixcan | ? | Franklin's Gull | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | ridibundus | ? | Black-headed Gull | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | philadelphia | ? | Bonaparte's Gull | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | delawarensis | ? | Ring-billed Gull | ANP; Champlainers (JJG, SCH, TAH) |
| Charadriiformes | Laridae (Larinae) | Larus | argentatus | ? | Herring Gull | ANP; Champlainers (JJG, LH, AH, SCH, TAH, TFV) |
| Charadriiformes | Laridae (Larinae) | Larus | glaucoides | ? | Iceland Gull | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | hyperboreus | ? | Glaucous Gull | ANP |
| Charadriiformes | Laridae (Larinae) | Larus | marinus | ? | Great Black-backed Gull | ANP; Champlainers (JJG, LH, AH, SCH, TAH, TFV) |
| Charadriiformes | Laridae (Larinae) | Rissa | tridactyla | ? | Black-legged Kittiwake | ANP |
| Charadriiformes | Laridae (Sterninae) | Thalasseus | maxima | ? | Royal Tern | ANP as Sterna maxima |
| Charadriiformes | Laridae (Sterninae) | Sterna | dougallii | ? | Roseate Tern | ANP |
| Charadriiformes | Laridae (Sterninae) | Sterna | hirundo | ? | Common Tern | ANP |
| Charadriiformes | Laridae (Sterninae) | Sterna | paradisaea | ? | Arctic Tern | ANP |
| Charadriiformes | Laridae (Sterninae) | Chlidonias | niger | ? | Black Tern | ANP |
| Charadriiformes | Stercorariidae | Stercorarius | parasiticus | ? | Parasitic Jaeger | ANP |
| Charadriiformes | Alcidae | Alle | alle | ? | Dovekie | ANP |
| Charadriiformes | Alcidae | Uria | lomvia | ? | Thick-billed Murre | ANP |
| Charadriiformes | Alcidae | Alca | torda | ? | Razorbill | ANP |
| Charadriiformes | Alcidae | Cepphus | grylle | ? | Black Guillemot | ANP; Champlainers (JJG, SCH, TAH, TFV) |
| Charadriiformes | Alcidae | Fratercula | arctica | ? | Atlantic Puffin | ANP |
| Columbiformes | Columbidae | Columba | livia | ? | Rock Pigeon | ANP |
| Columbiformes | Columbidae | Zenaida | macroura | ? | Mourning Dove | ANP; Champlainers (CM, WM, TFV) |
| Cuculiformes | Cuculidae (Cuculinae) | Coccyzus | erythropthalmus | ? | Black-billed Cuckoo | ANP |
| Columbiformes | Cuculidae (Cuculinae) | Coccyzus | americanus | ? | Yellow-billed Cuckoo | ANP |
| Strigiformes | Strigidae | Bubo | virgianus | ? | Great Horned Owl | ANP |
| Strigiformes | Strigidae | Bubo | scandiacus | ? | Snowy Owl | ANP as Nyctea scandiaca |
| Strigiformes | Strigidae | Surnia | ulula | ? | Northern Hawk Owl | ANP |
| Strigiformes | Strigidae | Strix | varia | ? | Barred Owl | ANP |
| Strigiformes | Strigidae | Asio | otus | ? | Long-eared Owl | ANP |
| Strigiformes | Strigidae | Aegolius | acadicus | ? | Northern Saw-whet Owl | ANP |
| Caprimulgiformes | Caprimulgidae (Chordellinae) | Chordeiles | minor | ? | Common Nighthawk | ANP |
| Caprimulgiformes | Caprimulgidae (Caprimulginae) | Caprimulgus | vociferus | ? | Whip-poor-will | ANP; Champlainer (TFV) |
| Apodiformes | Apodidae (Chaeturinae) | Chaetura | pelagica | ? | Chimney Swift | ANP |
| Apodiformes | Trochilidae (Trochilinae) | Colibri | thalassinus | ? | Green Violet-ear | Champlainer (RMacD) |
| Apodiformes | Trochilidae (Trochilinae) | Archilochus | colubris | ? | Ruby-throated Hummingbird | ANP |
| Coraciiformes | Alcedinidae (Cerylinae) | Megaceryle | alcyon | ? | Belted Kingfisher | ANP as Ceryle alcyon; Champlainers (SC, WM) |
| Piciformes | Picidae (Picinae) | Melanerpes | erythrocephalus | ? | Red-headed Woodpecker | ANP |
| Piciformes | Picidae (Picinae) | Melanerpes | carolinus | ? | Red-bellied Woodpecker | ANP |
| Piciformes | Picidae (Picinae) | Sphyrapicus | varius | ? | Yellow-bellied Sapsucker | ANP |
| Piciformes | Picidae (Picinae) | Picoides | pubescens | ? | Downy Woodpecker | ANP; Champlainer (TFV) |
| Piciformes | Picidae (Picinae) | Picoides | villosus | ? | Hairy Woodpecker | ANP; Champlainer (CM) |
| Piciformes | Picidae (Picinae) | Picoides | tridactylus | ? | American Three-toed Woodpecker | ANP |
| Piciformes | Picidae (Picinae) | Picoides | arcticus | ? | Black-backed Woodpecker | ANP |
| Piciformes | Picidae (Picinae) | Colaptes | auratus | ? | Northern Flicker | ANP |
| Piciformes | Picidae (Picinae) | Dryocopus | pileatus | ? | Pileated Woodpecker | ANP; Champlainers (EH, RMacD, CP, CW) |
| Passeriformes | Tyrannidae (Fluvicolinae) | Contopus | cooperi | ? | Olive-sided Flycatcher | ANP |
| Passeriformes | Tyrannidae (Fluvicolinae) | Contopus | virens | ? | Eastern Wood-Pewee | ANP |
| Passeriformes | Tyrannidae (Fluvicolinae) | Empidonax | flaviventris | ? | Yellow-bellied Flycatcher | ANP |
| Passeriformes | Tyrannidae (Fluvicolinae) | Empidonax | alnorum | ? | Alder Flycatcher | ANP |
| Passeriformes | Tyrannidae (Fluvicolinae) | Empidonax | minimus | ? | Least Flycatcher | ANP |
| Passeriformes | Tyrannidae (Fluvicolinae) | Sayornis | phoebe | ? | Eastern Phoebe | ANP; Champlainers (RGG, TFV, JW) |
| Passeriformes | Tyrannidae (Fluvicolinae) | Pyrocephalus | rubinus | ? | Vermilion Flycatcher | ANP; note: As of 2005, the Maine Bird Records Committee included this species on its hypothetical list, for which documentation was insufficient. |
| Passeriformes | Tyrannidae (Tyranninae) | Myiarchus | crinitus | ? | Great Crested Flycatcher | ANP |
| Passeriformes | Tyrannidae (Tyranninae) | Tyrannus | verticalis | ? | Western Kingbird | ANP |
| Passeriformes | Tyrannidae (Tyranninae) | Tyrannus | tyrannus | ? | Eastern Kingbird | ANP |
| Passeriformes | Laniidae | Lanius | excubitor | ? | Northern Shrike | ANP |
| Passeriformes | Vireonidae | Vireo | solitarius | ? | Blue-headed Vireo | ANP |
| Passeriformes | Vireonidae | Vireo | gilvus | ? | Warbling Vireo | ANP |
| Passeriformes | Vireonidae | Vireo | philadelphicus | ? | Philadelphia Vireo | ANP |
| Passeriformes | Vireonidae | Vireo | olivaceus | ? | Red-eyed Vireo | ANP |
| Passeriformes | Corvidae | Perisoreus | canadensis | ? | Gray Jay | ANP |
| Passeriformes | Corvidae | Cyanocitta | cristata | ? | Blue Jay | ANP; Champlainers (TAH, TFV) |
| Passeriformes | Corvidae | Corvus | brachyrhynchos | ? | American Crow | ANP; Champlainers (TAH, CM, TFV) |
| Passeriformes | Corvidae | Corvus | corax | ? | Common Raven | ANP; Champlainers (CM, TAH) |
| Passeriformes | Alaudidae | Eremophila | alpestris | ? | Horned Lark | ANP |
| Passeriformes | Hirundinidae (Hirundininae) | Progne | subis | ? | Purple Martin | ANP |
| Passeriformes | Hirundinidae (Hirundininae) | Tachycineta | bicolor | ? | Tree Swallow | ANP; Champlainer (TFV) |
| Passeriformes | Hirundinidae (Hirundininae) | Stelgidopteryx | serripennis | ? | Northern Rough-winged Swallow | ANP |
| Passeriformes | Hirundinidae (Hirundininae) | Riparia | riparian | ? | Bank Swallow | ANP |
| Passeriformes | Hirundinidae (Hirundininae) | Petrochelidon | pyrrhonota | ? | Cliff Swallow | ANP |
| Passeriformes | Hirundinidae (Hirundininae) | Hirundo | rustica | ? | Barn Swallow | ANP |
| Passeriformes | Paridae | Poecile | atricapilla | ? | Black-capped Chickadee | ANP; Champlainers (TAH, CM, WM, TFV) |
| Passeriformes | Paridae | Poecile | hudsonica | ? | Boreal Chickadee | ANP |
| Passeriformes | Sittidae (Sittinae) | Sitta | canadensis | ? | Red-breasted Nuthatch | ANP; Champlainers (CM, TFV) |
| Passeriformes | Sittidae (Sittinae) | Sitta | carolinensis | ? | White-breasted Nuthatch | ANP; Champlainers (CM, TFV) |
| Passeriformes | Certhiidae (Certhiinae) | Certhia | americana | ? | Brown Creeper | ANP; Champlainer (CM) |
| Passeriformes | Troglodytidae | Thryothorus | ludovicianus | ? | Carolina Wren | ANP |
| Passeriformes | Troglodytidae | Troglodytes | troglodytes | ? | Winter Wren | ANP; Champlainer (CM) |
| Passeriformes | Troglodytidae | Cistothorus | platensis | ? | Sedge Wren | ANP |
| Passeriformes | Troglodytidae | Cistothorus | palustris | ? | Marsh Wren | ANP |
| Passeriformes | Regulidae | Regulus | satrapa | ? | Golden-crowned Kinglet | ANP; Champlainer (CM) |
| Passeriformes | Regulidae | Regulus | calendula | ? | Ruby-crowned Kinglet | ANP |
| Passeriformes | Sylviidae (Polioptilinae) | Polioptila | caerulea | ? | Blue-gray Gnatcatcher | ANP |
| Passeriformes | Turdidae | Sialia | sialis | ? | Eastern Bluebird | ANP |
| Passeriformes | Turdidae | Catharus | fuscescens | ? | Veery | ANP |
| Passeriformes | Turdidae | Catharus | minimus | ? | Gray-cheeked Thrush | ANP |
| Passeriformes | Turdidae | Catharus | bicknelli | ? | Bicknell's Thrush | ANP |
| Passeriformes | Turdidae | Catharus | ustulatus | ? | Swainson's Thrush | ANP |
| Passeriformes | Turdidae | Catharus | guttatus | ? | Hermit Thrush | ANP; Champlainer (TFV) |
| Passeriformes | Turdidae | Hylocichla | mustelina | ? | Wood Thrush | ANP |
| Passeriformes | Turdidae | Turdus | migratorius | ? | American Robin | ANP; Champlainers (JJG, SCH, TAH, CM, WM, TFV) |
| Passeriformes | Mimidae | Dumetella | carolinensis | ? | Gray Catbird | ANP; Champlainer (TFV) |
| Passeriformes | Mimidae | Toxostoma | rufum | ? | Brown Thrasher | ANP |
| Passeriformes | Sturnidae | Sturnus | vulgaris | ? | European Starling | ANP; Champlainer (TFV) |
| Passeriformes | Motacillidae | Anthus | rubescens | ? | American Pipit | ANP |
| Passeriformes | Bombycillidae | Bombycilla | garrulus | ? | Bohemian Waxwing | ANP; Champlainer (TFV) |
| Passeriformes | Bombycillidae | Bombycilla | cedrorum | ? | Cedar Waxwing | ANP |
| Passeriformes | Parulidae | Vermivora | pinus | ? | Blue-winged Warbler | ANP |
| Passeriformes | Parulidae | Vermivora | chrysoptera | ? | Golden-winged Warbler | ANP |
| Passeriformes | Parulidae | Vermivora | peregrina | ? | Tennessee Warbler | ANP |
| Passeriformes | Parulidae | Vermivora | celata | ? | Orange-crowned Warbler | ANP |
| Passeriformes | Parulidae | Vermivora | ruficapilla | ? | Nashville Warbler | ANP |
| Passeriformes | Parulidae | Parula | americana | ? | Northern Parula | ANP |
| Passeriformes | Parulidae | Dendroica | petechia | ? | Yellow Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | pensylvanica | ? | Chestnut-sided Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | magnolia | ? | Magnolia Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | tigrina | ? | Cape May Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | caerulescens | ? | Black-throated Blue Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | coronata | ? | Yellow-rumped Warbler | ANP; Champlainers (TAH, TFV) |
| Passeriformes | Parulidae | Dendroica | virens | ? | Black-throated Green Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | fusca | ? | Blackburnian Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | discolor | ? | Prairie Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | palmarus | ? | Palm Warbler | ANP; Champlainers (CM, WM) |
| Passeriformes | Parulidae | Dendroica | castanea | ? | Bay-breasted Warbler | ANP |
| Passeriformes | Parulidae | Dendroica | striata | ? | Blackpoll Warbler | ANP |
| Passeriformes | Parulidae | Mniotilta | varia | ? | Black-and-white Warbler | ANP |
| Passeriformes | Parulidae | Setophaga | ruticilla | ? | American Redstart | ANP |
| Passeriformes | Parulidae | Seiurus | aurocapillus | ? | Ovenbird | ANP; Champlainer (TFV) |
| Passeriformes | Parulidae | Seiurus | noveboracensis | ? | Northern Waterthrush | ANP |
| Passeriformes | Parulidae | Oporornis | philadelphia | ? | Mourning Warbler | ANP |
| Passeriformes | Parulidae | Geothlypis | trichas | ? | Common Yellowthroat | ANP; Champlainer (TFV) |
| Passeriformes | Parulidae | Wilsonia | pusilla | ? | Wilson's Warbler | ANP |
| Passeriformes | Parulidae | Wilsonia | canadensis | ? | Canada Warbler | ANP |
| Passeriformes | Thraupidae | Piranga | rubra | ? | Summer Tanager | ANP |
| Passeriformes | Thraupidae | Piranga | olivacea | ? | Scarlet Tanager | ANP |
| Passeriformes | Emberizidae | Pipilo | erythrophthalmus | ? | Eastern Towhee | ANP |
| Passeriformes | Emberizidae | Spizella | arborea | ? | American Tree Sparrow | ANP |
| Passeriformes | Emberizidae | Spizella | passerina | ? | Chipping Sparrow | ANP |
| Passeriformes | Emberizidae | Spizella | pusilla | ? | Field Sparrow | ANP |
| Passeriformes | Emberizidae | Pooecetes | gramineus | ? | Vesper Sparrow | ANP |
| Passeriformes | Emberizidae | Passerculus | sandwichensis | ? | Savannah Sparrow | ANP |
| Passeriformes | Emberizidae | Passerella | iliaca | ? | Fox Sparrow | Champlainer (CM) |
| Passeriformes | Emberizidae | Melospiza | melodia | ? | Song Sparrow | ANP; Champlainers (JJG, EH, SCH, TAH, RMacD, CM, WM, CP, TFV, CW) |
| Passeriformes | Emberizidae | Melospiza | lincolnii | ? | Lincoln's Sparrow | ANP |
| Passeriformes | Emberizidae | Melospiza | georgiana | ? | Swamp Sparrow | ANP; Champlainers (CM, WM) |
| Passeriformes | Emberizidae | Zonotrichia | albicollis | ? | White-throated Sparrow | ANP; Champlainers (CM, WM, TFV) |
| Passeriformes | Emberizidae | Junco | hyemalis | ? | Dark-eyed Junco | ANP; Champlainers (CM, WM, TFV) |
| Passeriformes | Emberizidae | Calcarius | lapponicus | ? | Lapland Longspur | ANP |
| Passeriformes | Emberizidae | Plectrophenax | nivalis | ? | Snow Bunting | ANP |
| Passeriformes | Cardinalidae | Cardinalis | cardinalis | ? | Northern Cardinal | ANP; Champlainer (TFV) |
| Passeriformes | Cardinalidae | Pheucticus | ludovicianus | ? | Rose-breasted Grosbeak | ANP |
| Passeriformes | Emberizidae | Passerina | caerulea | ? | Blue Grosbeak | ANP as Guiraca caerulea |
| Passeriformes | Emberizidae | Passerina | cyanea | ? | Indigo Bunting | ANP |
| Passeriformes | Emberizidae | Spiza | americana | ? | Dickcissel | ANP |
| Passeriformes | Icteridae | Dolichonyx | oryzivorus | ? | Bobolink | ANP |
| Passeriformes | Icteridae | Agelaius | phoeniceus | ? | Red-winged Blackbird | ANP; Champlainer (TFV) |
| Passeriformes | Icteridae | Sturnella | magna | ? | Eastern Meadowlark | ANP |
| Passeriformes | Icteridae | Euphagus | carolinus | ? | Rusty Blackbird | ANP |
| Passeriformes | Icteridae | Quiscalus | quiscula | ? | Common Grackle | ANP |
| Passeriformes | Icteridae | Molothrus | ater | ? | Borwn-headed Cowbird | ANP |
| Passeriformes | Icteridae | Icterus | spurius | ? | Orchard Oriole | ANP |
| Passeriformes | Icteridae | Icterus | galbula | ? | Baltimore Oriole | ANP |
| Passeriformes | Fringillidae (Carduelinae) | Pinicola | enucleator | ? | Pine Grosbeak | Champlainers (RMacD, CM) |
| Passeriformes | Fringillidae (Carduelinae) | Carpodacus | purpureus | ? | Purple Finch | ANP; Champlainers (CM, WM) |
| Passeriformes | Fringillidae (Carduelinae) | Carpodacus | mexicanus | ? | House Finch | ANP |
| Passeriformes | Fringillidae (Carduelinae) | Loxia | curvirostra | ? | Red Crossbill | ANP |
| Passeriformes | Fringillidae (Carduelinae) | Loxia | leucoptera | ? | White-winged Crossbill | ANP |
| Passeriformes | Fringillidae (Carduelinae) | Carduelis | flammea | ? | Common Redpoll | Champlainers (RMacD, CM) |
| Passeriformes | Fringillidae (Carduelinae) | Carduelis | hornemanni | ? | Hoary Redpoll | Champlainer (RMacD) |
| Passeriformes | Fringillidae (Carduelinae) | Carduelis | pinus | ? | Pine Siskin | ANP; Champlainer (CM) |
| Passeriformes | Fringillidae (Carduelinae) | Carduelis | tristis | ? | American Goldfinch | ANP; Champlainers (CM, WM, TFV) |
| Passeriformes | Fringillidae (Carduelinae) | Coccothraustes | vespertinus | ? | Evening Grosbeak | Champlainer (RMacD) |
| Passeriformes | Passeridae | Passer | domesticus | ? | House Sparrow | ANP |