60 birds were recorded seen in Tennessee 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 Mockingbird

Northern Cardinal

Great Blue Heron

Wild Turkey

Tennessee Warbler

Carolina Wren
Eastern Bluebird

Yellow-rumped Warbler

Red-tailed Hawk

Blue Jay
Eastern Phoebe

Carolina Chickadee
All birds seen in Tennessee in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 502 | Apr (past peak) |
| 2 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 435 | Apr (past peak) |
| 3 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 420 | Apr (past peak) |
| 4 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 382 | Apr (past peak) |
| 5 | Tennessee Warbler | Leiothlypis peregrina | New World Warblers | 354 | Oct (peak) |
| 6 | Carolina Wren | Thryothorus ludovicianus | Wrens | 349 | Apr (past peak) |
| 7 | Eastern Bluebird | Sialia sialis | Thrushes | 323 | Apr (past peak) |
| 8 | Yellow-rumped Warbler | Setophaga coronata | New World Warblers | 304 | Feb (past peak) |
| 9 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 290 | Nov (rising) |
| 10 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 288 | Apr (past peak) |
| 11 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 287 | Apr (past peak) |
| 12 | Carolina Chickadee | Poecile carolinensis | Tits, Chickadees, and Titmice | 264 | Feb (past peak) |
| 13 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 249 | Mar (past peak) |
| 14 | Bay-breasted Warbler | Setophaga castanea | New World Warblers | 248 | Oct (peak) |
| 15 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 231 | Jan (past peak) |
| 16 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 226 | Apr (past peak) |
| 17 | American Robin | Turdus migratorius | Thrushes | 226 | Apr (past peak) |
| 18 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 221 | Apr (past peak) |
| 19 | Magnolia Warbler | Setophaga magnolia | New World Warblers | 214 | Sep (past peak) |
| 20 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 212 | Feb (past peak) |
| 21 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 205 | Apr (past peak) |
| 22 | Turkey Vulture | Cathartes aura | New World Vultures | 202 | Apr (past peak) |
| 23 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 201 | Apr (past peak) |
| 24 | Black Vulture | Coragyps atratus | New World Vultures | 195 | Apr (past peak) |
| 25 | Red-shouldered Hawk | Buteo lineatus | Hawks, Eagles, and Kites | 187 | Jan (past peak) |
| 26 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 176 | Mar (past peak) |
| 27 | Song Sparrow | Melospiza melodia | New World Sparrows | 173 | Jan (past peak) |
| 28 | Rose-breasted Grosbeak | Pheucticus ludovicianus | Cardinals and Allies | 169 | Apr (past peak) |
| 29 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 162 | Dec (rising) |
| 30 | European Starling | Sturnus vulgaris | Starlings | 161 | Apr (past peak) |
| 31 | House Sparrow | Passer domesticus | Old World Sparrows | 158 | Apr (past peak) |
| 32 | Northern Flicker | Colaptes auratus | Woodpeckers | 156 | Oct (peak) |
| 33 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 155 | Apr (past peak) |
| 34 | Field Sparrow | Spizella pusilla | New World Sparrows | 145 | Apr (past peak) |
| 35 | Black-throated Green Warbler | Setophaga virens | New World Warblers | 145 | Apr (past peak) |
| 36 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 143 | Jan (past peak) |
| 37 | Palm Warbler | Setophaga palmarum | New World Warblers | 143 | Apr (past peak) |
| 38 | Swamp Sparrow | Melospiza georgiana | New World Sparrows | 138 | Oct (peak) |
| 39 | Savannah Sparrow | Passerculus sandwichensis | New World Sparrows | 123 | Apr (past peak) |
| 40 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 123 | Apr (past peak) |
| 41 | Ruby-crowned Kinglet | Corthylio calendula | Kinglets | 116 | Jan (past peak) |
| 42 | Brown Thrasher | Toxostoma rufum | Mockingbirds and Thrashers | 115 | May (past peak) |
| 43 | Eastern Wood-Pewee | Contopus virens | Tyrant Flycatchers | 115 | Sep (past peak) |
| 44 | Chipping Sparrow | Spizella passerina | New World Sparrows | 112 | Apr (past peak) |
| 45 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 109 | Apr (past peak) |
| 46 | Cape May Warbler | Setophaga tigrina | New World Warblers | 105 | Oct (peak) |
| 47 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 97 | Mar (past peak) |
| 48 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 93 | Aug (past peak) |
| 49 | Barred Owl | Strix varia | Typical Owls | 91 | Apr (past peak) |
| 50 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 90 | Jan (past peak) |