Onslow - 315 species |
| Ducks, Geese, & Swans - 36 species | | 1 Black-bellied Whistling-Duck | Dendrocygna autumnalis |
| | 2 Snow Goose | Anser caerulescens |
| | 3 Greater White-fronted Goose | Anser albifrons |
| | 4 Brant | Branta bernicla |
| | 5 Canada Goose | Branta canadensis |
| | 6 Tundra Swan | Cygnus columbianus |
| | 7 Wood Duck | Aix sponsa |
| | 8 Blue-winged Teal | Spatula discors |
| | 9 Cinnamon Teal | Spatula cyanoptera |
| | 10 Northern Shoveler | Spatula clypeata |
| | 11 Gadwall | Mareca strepera |
| | 12 Eurasian Wigeon | Mareca penelope |
| | 13 American Wigeon | Mareca americana |
| | 14 Mallard | Anas platyrhynchos |
| | 15 American Black Duck | Anas rubripes |
| | 16 Mottled Duck | Anas fulvigula |
| | 17 Northern Pintail | Anas acuta |
| | 18 Green-winged Teal | Anas crecca |
| | 19 Canvasback | Aythya valisineria |
| | 20 Redhead | Aythya americana |
| | 21 Ring-necked Duck | Aythya collaris |
| | 22 Greater Scaup | Aythya marila |
| | 23 Lesser Scaup | Aythya affinis |
| | 24 King Eider | Somateria spectabilis |
| | 25 Common Eider | Somateria mollissima |
| | 26 Harlequin Duck | Histrionicus histrionicus |
| | 27 Surf Scoter | Melanitta perspicillata |
| | 28 White-winged Scoter | Melanitta deglandi |
| | 29 Black Scoter | Melanitta americana |
| | 30 Long-tailed Duck | Clangula hyemalis |
| | 31 Bufflehead | Bucephala albeola |
| | 32 Common Goldeneye | Bucephala clangula |
| | 33 Hooded Merganser | Lophodytes cucullatus |
| | 34 Common Merganser | Mergus merganser |
| | 35 Red-breasted Merganser | Mergus serrator |
| | 36 Ruddy Duck | Oxyura jamaicensis |
| New World Quails - 1 species | | 37 Northern Bobwhite | Colinus virginianus |
| Grouse and Allies - 1 species | | 38 Wild Turkey | Meleagris gallopavo |
| Grebes - 4 species | | 39 Pied-billed Grebe | Podilymbus podiceps |
| | 40 Horned Grebe | Podiceps auritus |
| | 41 Red-necked Grebe | Podiceps grisegena |
| | 42 Eared Grebe | Podiceps nigricollis |
| Doves - 5 species | | 43 Rock Pigeon | Columba livia |
| | 44 Eurasian Collared-Dove | Streptopelia decaocto |
| | 45 Common Ground Dove | Columbina passerina |
| | 46 White-winged Dove | Zenaida asiatica |
| | 47 Mourning Dove | Zenaida macroura |
| Cuckoos & Anis - 2 species | | 48 Yellow-billed Cuckoo | Coccyzus americanus |
| | 49 Black-billed Cuckoo | Coccyzus erythropthalmus |
| Goatsuckers - 3 species | | 50 Common Nighthawk | Chordeiles minor |
| | 51 Chuck-will's-widow | Antrostomus carolinensis |
| | 52 Eastern Whip-poor-will | Antrostomus vociferus |
| Swifts - 1 species | | 53 Chimney Swift | Chaetura pelagica |
| Hummingbirds - 1 species | | 54 Ruby-throated Hummingbird | Archilochus colubris |
| Rails, Gallinules, & Coots - 9 species | | 55 Clapper Rail | Rallus crepitans |
| | 56 King Rail | Rallus elegans |
| | 57 Virginia Rail | Rallus limicola |
| | 58 Sora | Porzana carolina |
| | 59 Common Gallinule | Gallinula galeata |
| | 60 American Coot | Fulica americana |
| | 61 Purple Gallinule | Porphyrio martinicus |
| | 62 Yellow Rail | Coturnicops noveboracensis |
| | 63 Black Rail | Laterallus jamaicensis |
| Cranes - 1 species | | 64 Sandhill Crane | Antigone canadensis |
| Stilts & Avocets - 2 species | | 65 Black-necked Stilt | Himantopus mexicanus |
| | 66 American Avocet | Recurvirostra americana |
| Oystercatchers - 1 species | | 67 American Oystercatcher | Haematopus palliatus |
| Plovers - 7 species | | 68 Black-bellied Plover | Pluvialis squatarola |
| | 69 American Golden-Plover | Pluvialis dominica |
| | 70 Killdeer | Charadrius vociferus |
| | 71 Semipalmated Plover | Charadrius semipalmatus |
| | 72 Piping Plover | Charadrius melodus |
| | 73 Wilson's Plover | Anarhynchus wilsonia |
| | 74 Snowy Plover | Anarhynchus nivosus |
| Sandpipers - 29 species | | 75 Upland Sandpiper | Bartramia longicauda |
| | 76 Whimbrel | Numenius phaeopus |
| | 77 Long-billed Curlew | Numenius americanus |
| | 78 Hudsonian Godwit | Limosa haemastica |
| | 79 Marbled Godwit | Limosa fedoa |
| | 80 Ruddy Turnstone | Arenaria interpres |
| | 81 Red Knot | Calidris canutus |
| | 82 Ruff | Calidris pugnax |
| | 83 Stilt Sandpiper | Calidris himantopus |
| | 84 Sanderling | Calidris alba |
| | 85 Dunlin | Calidris alpina |
| | 86 Baird's Sandpiper | Calidris bairdii |
| | 87 Least Sandpiper | Calidris minutilla |
| | 88 White-rumped Sandpiper | Calidris fuscicollis |
| | 89 Pectoral Sandpiper | Calidris melanotos |
| | 90 Semipalmated Sandpiper | Calidris pusilla |
| | 91 Western Sandpiper | Calidris mauri |
| | 92 Short-billed Dowitcher | Limnodromus griseus |
| | 93 Long-billed Dowitcher | Limnodromus scolopaceus |
| | 94 American Woodcock | Scolopax minor |
| | 95 Wilson's Snipe | Gallinago delicata |
| | 96 Spotted Sandpiper | Actitis macularius |
| | 97 Solitary Sandpiper | Tringa solitaria |
| | 98 Lesser Yellowlegs | Tringa flavipes |
| | 99 Willet | Tringa semipalmata |
| | 100 Greater Yellowlegs | Tringa melanoleuca |
| | 101 Wilson's Phalarope | Phalaropus tricolor |
| | 102 Red-necked Phalarope | Phalaropus lobatus |
| | 103 Red Phalarope | Phalaropus fulicarius |
| Skuas & Jaegers - 2 species | | 104 Pomarine Jaeger | Stercorarius pomarinus |
| | 105 Parasitic Jaeger | Stercorarius parasiticus |
| Auks - 3 species | | 106 Dovekie | Alle alle |
| | 107 Razorbill | Alca torda |
| | 108 Atlantic Puffin | Fratercula arctica |
| Gulls & Terns - 23 species | | 109 Black-legged Kittiwake | Rissa tridactyla |
| | 110 Sabine's Gull | Xema sabini |
| | 111 Bonaparte's Gull | Chroicocephalus philadelphia |
| | 112 Black-headed Gull | Chroicocephalus ridibundus |
| | 113 Little Gull | Hydrocoloeus minutus |
| | 114 Laughing Gull | Leucophaeus atricilla |
| | 115 Ring-billed Gull | Larus delawarensis |
| | 116 Herring Gull | Larus argentatus |
| | 117 Iceland Gull | Larus glaucoides |
| | 118 Lesser Black-backed Gull | Larus fuscus |
| | 119 Glaucous Gull | Larus hyperboreus |
| | 120 Great Black-backed Gull | Larus marinus |
| | 121 Sooty Tern | Onychoprion fuscatus |
| | 122 Least Tern | Sternula antillarum |
| | 123 Gull-billed Tern | Gelochelidon nilotica |
| | 124 Caspian Tern | Hydroprogne caspia |
| | 125 Black Tern | Chlidonias niger |
| | 126 Roseate Tern | Sterna dougallii |
| | 127 Common Tern | Sterna hirundo |
| | 128 Forster's Tern | Sterna forsteri |
| | 129 Royal Tern | Thalasseus maximus |
| | 130 Sandwich Tern | Thalasseus sandvicensis |
| | 131 Black Skimmer | Rynchops niger |
| Tropicbirds - 1 species | | 132 White-tailed Tropicbird | Phaethon lepturus |
| Loons - 2 species | | 133 Red-throated Loon | Gavia stellata |
| | 134 Common Loon | Gavia immer |
| Storm-Petrels - 1 species | | 135 Wilson's Storm-Petrel | Oceanites oceanicus |
| Petrels & Shearwaters - 4 species | | 136 Cory's Shearwater | Calonectris borealis |
| | 137 Sooty Shearwater | Ardenna grisea |
| | 138 Great Shearwater | Ardenna gravis |
| | 139 Sargasso Shearwater | Puffinus lherminieri |
| Storks - 1 species | | 140 Wood Stork | Mycteria americana |
| Frigatebirds - 1 species | | 141 Magnificent Frigatebird | Fregata magnificens |
| Boobies & Gannets - 2 species | | 142 Brown Booby | Sula leucogaster |
| | 143 Northern Gannet | Morus bassanus |
| Darters - 1 species | | 144 Anhinga | Anhinga anhinga |
| Cormorants - 2 species | | 145 Great Cormorant | Phalacrocorax carbo |
| | 146 Double-crested Cormorant | Nannopterum auritum |
| Pelicans - 2 species | | 147 American White Pelican | Pelecanus erythrorhynchos |
| | 148 Brown Pelican | Pelecanus occidentalis |
| Bitterns, Herons, & Allies - 12 species | | 149 American Bittern | Botaurus lentiginosus |
| | 150 Least Bittern | Botaurus exilis |
| | 151 Little Blue Heron | Egretta caerulea |
| | 152 Tricolored Heron | Egretta tricolor |
| | 153 Reddish Egret | Egretta rufescens |
| | 154 Snowy Egret | Egretta thula |
| | 155 Yellow-crowned Night Heron | Nyctanassa violacea |
| | 156 Black-crowned Night Heron | Nycticorax nycticorax |
| | 157 Green Heron | Butorides virescens |
| | 158 Great Egret | Ardea alba |
| | 159 Western Cattle-Egret | Ardea ibis |
| | 160 Great Blue Heron | Ardea herodias |
| Ibises & Spoonbills - 3 species | | 161 White Ibis | Eudocimus albus |
| | 162 Glossy Ibis | Plegadis falcinellus |
| | 163 Roseate Spoonbill | Platalea ajaja |
| New World Vultures - 2 species | | 164 Black Vulture | Coragyps atratus |
| | 165 Turkey Vulture | Cathartes aura |
| Osprey - 1 species | | 166 Osprey | Pandion haliaetus |
| Kites, Eagles, & Hawks - 11 species | | 167 Swallow-tailed Kite | Elanoides forficatus |
| | 168 Golden Eagle | Aquila chrysaetos |
| | 169 Northern Harrier | Circus hudsonius |
| | 170 Sharp-shinned Hawk | Accipiter striatus |
| | 171 Cooper's Hawk | Accipiter cooperii |
| | 172 Bald Eagle | Haliaeetus leucocephalus |
| | 173 Mississippi Kite | Ictinia mississippiensis |
| | 174 Red-shouldered Hawk | Buteo lineatus |
| | 175 Broad-winged Hawk | Buteo platypterus |
| | 176 Red-tailed Hawk | Buteo jamaicensis |
| | 177 Rough-legged Hawk | Buteo lagopus |
| Barn-Owls - 1 species | | 178 American Barn Owl | Tyto alba |
| Owls - 5 species | | 179 Eastern Screech-Owl | Megascops asio |
| | 180 Great Horned Owl | Bubo virginianus |
| | 181 Barred Owl | Strix varia |
| | 182 Short-eared Owl | Asio flammeus |
| | 183 Northern Saw-whet Owl | Aegolius acadicus |
| Kingfishers - 1 species | | 184 Belted Kingfisher | Megaceryle alcyon |
| Woodpeckers - 8 species | | 185 Red-headed Woodpecker | Melanerpes erythrocephalus |
| | 186 Red-bellied Woodpecker | Melanerpes carolinus |
| | 187 Yellow-bellied Sapsucker | Sphyrapicus varius |
| | 188 Downy Woodpecker | Dryobates pubescens |
| | 189 Red-cockaded Woodpecker | Dryobates borealis |
| | 190 Hairy Woodpecker | Dryobates villosus |
| | 191 Northern Flicker | Colaptes auratus |
| | 192 Pileated Woodpecker | Dryocopus pileatus |
| Falcons - 3 species | | 193 American Kestrel | Falco sparverius |
| | 194 Merlin | Falco columbarius |
| | 195 Peregrine Falcon | Falco peregrinus |
| Tyrant Flycatchers - 8 species | | 196 Great Crested Flycatcher | Myiarchus crinitus |
| | 197 Western Kingbird | Tyrannus verticalis |
| | 198 Eastern Kingbird | Tyrannus tyrannus |
| | 199 Gray Kingbird | Tyrannus dominicensis |
| | 200 Eastern Wood-Pewee | Contopus virens |
| | 201 Acadian Flycatcher | Empidonax virescens |
| | 202 Least Flycatcher | Empidonax minimus |
| | 203 Eastern Phoebe | Sayornis phoebe |
| Vireos - 4 species | | 204 White-eyed Vireo | Vireo griseus |
| | 205 Yellow-throated Vireo | Vireo flavifrons |
| | 206 Blue-headed Vireo | Vireo solitarius |
| | 207 Red-eyed Vireo | Vireo olivaceus |
| Shrikes - 1 species | | 208 Loggerhead Shrike | Lanius ludovicianus |
| Jays, Crows, & Ravens - 3 species | | 209 Blue Jay | Cyanocitta cristata |
| | 210 American Crow | Corvus brachyrhynchos |
| | 211 Fish Crow | Corvus ossifragus |
| Chickadees & Titmice - 2 species | | 212 Carolina Chickadee | Poecile carolinensis |
| | 213 Tufted Titmouse | Baeolophus bicolor |
| Larks - 1 species | | 214 Horned Lark | Eremophila alpestris |
| Swallows - 7 species | | 215 Bank Swallow | Riparia riparia |
| | 216 Tree Swallow | Tachycineta bicolor |
| | 217 Northern Rough-winged Swallow | Stelgidopteryx serripennis |
| | 218 Purple Martin | Progne subis |
| | 219 Barn Swallow | Hirundo rustica |
| | 220 Cliff Swallow | Petrochelidon pyrrhonota |
| | 221 Cave Swallow | Petrochelidon fulva |
| Kinglets - 2 species | | 222 Ruby-crowned Kinglet | Corthylio calendula |
| | 223 Golden-crowned Kinglet | Regulus satrapa |
| Waxwings - 1 species | | 224 Cedar Waxwing | Bombycilla cedrorum |
| Nuthatches - 3 species | | 225 Red-breasted Nuthatch | Sitta canadensis |
| | 226 White-breasted Nuthatch | Sitta carolinensis |
| | 227 Brown-headed Nuthatch | Sitta pusilla |
| Gnatcatchers - 1 species | | 228 Blue-gray Gnatcatcher | Polioptila caerulea |
| Wrens - 5 species | | 229 Carolina Wren | Thryothorus ludovicianus |
| | 230 Northern House Wren | Troglodytes aedon |
| | 231 Winter Wren | Troglodytes hiemalis |
| | 232 Sedge Wren | Cistothorus stellaris |
| | 233 Marsh Wren | Cistothorus palustris |
| Mockingbirds & Thrashers - 3 species | | 234 Gray Catbird | Dumetella carolinensis |
| | 235 Brown Thrasher | Toxostoma rufum |
| | 236 Northern Mockingbird | Mimus polyglottos |
| Starlings - 1 species | | 237 European Starling | Sturnus vulgaris |
| Thrushes - 5 species | | 238 Eastern Bluebird | Sialia sialis |
| | 239 Gray-cheeked Thrush | Catharus minimus |
| | 240 Hermit Thrush | Catharus guttatus |
| | 241 Wood Thrush | Hylocichla mustelina |
| | 242 American Robin | Turdus migratorius |
| Old World Sparrows - 1 species | | 243 House Sparrow | Passer domesticus |
| Wagtails & Pipits - 1 species | | 244 American Pipit | Anthus rubescens |
| Cardueline Finches & Allies - 5 species | | 245 Evening Grosbeak | Coccothraustes vespertinus |
| | 246 House Finch | Haemorhous mexicanus |
| | 247 Purple Finch | Haemorhous purpureus |
| | 248 Pine Siskin | Spinus pinus |
| | 249 American Goldfinch | Spinus tristis |
| New World Sparrows & Allies - 20 species | | 250 Bachman's Sparrow | Peucaea aestivalis |
| | 251 Grasshopper Sparrow | Ammodramus savannarum |
| | 252 Lark Sparrow | Chondestes grammacus |
| | 253 Chipping Sparrow | Spizella passerina |
| | 254 Clay-colored Sparrow | Spizella pallida |
| | 255 Field Sparrow | Spizella pusilla |
| | 256 Fox Sparrow | Passerella iliaca |
| | 257 Dark-eyed Junco | Junco hyemalis |
| | 258 White-crowned Sparrow | Zonotrichia leucophrys |
| | 259 White-throated Sparrow | Zonotrichia albicollis |
| | 260 Vesper Sparrow | Pooecetes gramineus |
| | 261 LeConte's Sparrow | Ammospiza leconteii |
| | 262 Seaside Sparrow | Ammospiza maritima |
| | 263 Nelson's Sparrow | Ammospiza nelsoni |
| | 264 Saltmarsh Sparrow | Ammospiza caudacuta |
| | 265 Henslow's Sparrow | Centronyx henslowii |
| | 266 Savannah Sparrow | Passerculus sandwichensis |
| | 267 Song Sparrow | Melospiza melodia |
| | 268 Swamp Sparrow | Melospiza georgiana |
| | 269 Eastern Towhee | Pipilo erythrophthalmus |
| Yellow-breasted Chat - 1 species | | 270 Yellow-breasted Chat | Icteria virens |
| Blackbirds & Orioles - 12 species | | 271 Yellow-headed Blackbird | Xanthocephalus xanthocephalus |
| | 272 Bobolink | Dolichonyx oryzivorus |
| | 273 Eastern Meadowlark | Sturnella magna |
| | 274 Orchard Oriole | Icterus spurius |
| | 275 Bullock's Oriole | Icterus bullockii |
| | 276 Baltimore Oriole | Icterus galbula |
| | 277 Red-winged Blackbird | Agelaius phoeniceus |
| | 278 Shiny Cowbird | Molothrus bonariensis |
| | 279 Brown-headed Cowbird | Molothrus ater |
| | 280 Rusty Blackbird | Euphagus carolinus |
| | 281 Common Grackle | Quiscalus quiscula |
| | 282 Boat-tailed Grackle | Quiscalus major |
| Wood-Warblers - 26 species | | 283 Ovenbird | Seiurus aurocapilla |
| | 284 Worm-eating Warbler | Helmitheros vermivorum |
| | 285 Louisiana Waterthrush | Parkesia motacilla |
| | 286 Blue-winged Warbler | Vermivora cyanoptera |
| | 287 Black-and-white Warbler | Mniotilta varia |
| | 288 Prothonotary Warbler | Protonotaria citrea |
| | 289 Swainson's Warbler | Limnothlypis swainsonii |
| | 290 Tennessee Warbler | Leiothlypis peregrina |
| | 291 Orange-crowned Warbler | Leiothlypis celata |
| | 292 Kentucky Warbler | Geothlypis formosa |
| | 293 Common Yellowthroat | Geothlypis trichas |
| | 294 Hooded Warbler | Setophaga citrina |
| | 295 American Redstart | Setophaga ruticilla |
| | 296 Cape May Warbler | Setophaga tigrina |
| | 297 Northern Parula | Setophaga americana |
| | 298 Magnolia Warbler | Setophaga magnolia |
| | 299 Yellow Warbler | Setophaga petechia |
| | 300 Blackpoll Warbler | Setophaga striata |
| | 301 Black-throated Blue Warbler | Setophaga caerulescens |
| | 302 Palm Warbler | Setophaga palmarum |
| | 303 Pine Warbler | Setophaga pinus |
| | 304 Yellow-rumped Warbler | Setophaga coronata |
| | 305 Yellow-throated Warbler | Setophaga dominica |
| | 306 Prairie Warbler | Setophaga discolor |
| | 307 Black-throated Green Warbler | Setophaga virens |
| | 308 Wilson's Warbler | Cardellina pusilla |
| Cardinals, Grosbeaks, & Allies - 7 species | | 309 Summer Tanager | Piranga rubra |
| | 310 Scarlet Tanager | Piranga olivacea |
| | 311 Northern Cardinal | Cardinalis cardinalis |
| | 312 Rose-breasted Grosbeak | Pheucticus ludovicianus |
| | 313 Blue Grosbeak | Passerina caerulea |
| | 314 Indigo Bunting | Passerina cyanea |
| | 315 Painted Bunting | Passerina ciris |
