60 birds were recorded seen in South Carolina in October in our iNaturalist sample; 5 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in October

Northern Cardinal
Eastern Bluebird

Northern Mockingbird

Great Egret
House Finch

Great Blue Heron

Carolina Chickadee

Mourning Dove

Carolina Wren

White Ibis
Snowy Egret
Eastern Phoebe
All birds seen in South Carolina in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 959 | Apr (past peak) |
| 2 | Eastern Bluebird | Sialia sialis | Thrushes | 625 | Apr (past peak) |
| 3 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 552 | Apr (past peak) |
| 4 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 495 | Jun (past peak) |
| 5 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 448 | May (past peak) |
| 6 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 442 | Jun (past peak) |
| 7 | Carolina Chickadee | Poecile carolinensis | Tits, Chickadees, and Titmice | 398 | Oct (peak) |
| 8 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 385 | Apr (past peak) |
| 9 | Carolina Wren | Thryothorus ludovicianus | Wrens | 338 | Apr (past peak) |
| 10 | White Ibis | Eudocimus albus | Ibises and Spoonbills | 325 | Jul (past peak) |
| 11 | Snowy Egret | Egretta thula | Herons, Egrets, and Bitterns | 321 | Mar (past peak) |
| 12 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 319 | Oct (peak) |
| 13 | Ruby-throated Hummingbird | Archilochus colubris | Hummingbirds | 317 | Sep (past peak) |
| 14 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 313 | Mar (past peak) |
| 15 | Turkey Vulture | Cathartes aura | New World Vultures | 308 | Jan (past peak) |
| 16 | Pine Warbler | Setophaga pinus | New World Warblers | 308 | Jan (past peak) |
| 17 | Sanderling | Calidris alba | Sandpipers and Allies | 294 | Oct (peak) |
| 18 | Palm Warbler | Setophaga palmarum | New World Warblers | 294 | Oct (peak) |
| 19 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 274 | Apr (past peak) |
| 20 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 261 | May (past peak) |
| 21 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 258 | Apr (past peak) |
| 22 | Laughing Gull | Leucophaeus atricilla | Gulls, Terns, and Skimmers | 242 | Jun (past peak) |
| 23 | Wood Stork | Mycteria americana | Storks | 239 | Aug (past peak) |
| 24 | Tricolored Heron | Egretta tricolor | Herons, Egrets, and Bitterns | 217 | Jun (past peak) |
| 25 | American Redstart | Setophaga ruticilla | New World Warblers | 216 | Sep (past peak) |
| 26 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 215 | Feb (past peak) |
| 27 | Red-shouldered Hawk | Buteo lineatus | Hawks, Eagles, and Kites | 214 | Jan (past peak) |
| 28 | Brown-headed Nuthatch | Sitta pusilla | Nuthatches | 208 | Jan (past peak) |
| 29 | Willet | Tringa semipalmata | Sandpipers and Allies | 203 | Mar (past peak) |
| 30 | Anhinga | Anhinga anhinga | Darters | 201 | Jun (past peak) |
| 31 | Boat-tailed Grackle | Quiscalus major | New World Blackbirds and Orioles | 200 | Mar (past peak) |
| 32 | Little Blue Heron | Egretta caerulea | Herons, Egrets, and Bitterns | 197 | Jun (past peak) |
| 33 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 190 | Dec (rising) |
| 34 | Gray Catbird | Dumetella carolinensis | Mockingbirds and Thrashers | 179 | Apr (past peak) |
| 35 | Brown Thrasher | Toxostoma rufum | Mockingbirds and Thrashers | 175 | May (past peak) |
| 36 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 170 | Mar (past peak) |
| 37 | Brown Pelican | Pelecanus occidentalis | Pelicans | 166 | Jun (past peak) |
| 38 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 166 | Apr (past peak) |
| 39 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 165 | Apr (past peak) |
| 40 | Osprey | Pandion haliaetus | Ospreys | 165 | Mar (past peak) |
| 41 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 163 | Jul (past peak) |
| 42 | Black Vulture | Coragyps atratus | New World Vultures | 157 | Apr (past peak) |
| 43 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 154 | Mar (past peak) |
| 44 | Chipping Sparrow | Spizella passerina | New World Sparrows | 152 | Mar (past peak) |
| 45 | Northern Flicker | Colaptes auratus | Woodpeckers | 151 | Oct (peak) |
| 46 | Roseate Spoonbill | Platalea ajaja | Ibises and Spoonbills | 146 | Sep (past peak) |
| 47 | Rose-breasted Grosbeak | Pheucticus ludovicianus | Cardinals and Allies | 137 | Apr (past peak) |
| 48 | Ruby-crowned Kinglet | Corthylio calendula | Kinglets | 137 | Jan (past peak) |
| 49 | Common Yellowthroat | Geothlypis trichas | New World Warblers | 135 | Sep (past peak) |
| 50 | American Robin | Turdus migratorius | Thrushes | 132 | Mar (past peak) |