60 birds were recorded seen in Louisiana in October in our iNaturalist sample; 7 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in October

Great Egret

White Ibis

Black-bellied Whistling-Duck
Common Yellowthroat

Great Blue Heron

Northern Mockingbird
Eastern Phoebe

Anhinga

Little Blue Heron

Indigo Bunting
Snowy Egret

Laughing Gull
All birds seen in Louisiana in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 465 | Apr (past peak) |
| 2 | White Ibis | Eudocimus albus | Ibises and Spoonbills | 442 | Oct (peak) |
| 3 | Black-bellied Whistling-Duck | Dendrocygna autumnalis | Ducks, Geese, and Swans | 306 | Apr (past peak) |
| 4 | Common Yellowthroat | Geothlypis trichas | New World Warblers | 295 | Oct (peak) |
| 5 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 288 | Apr (past peak) |
| 6 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 225 | Apr (past peak) |
| 7 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 220 | Nov (rising) |
| 8 | Anhinga | Anhinga anhinga | Darters | 196 | Dec (rising) |
| 9 | Little Blue Heron | Egretta caerulea | Herons, Egrets, and Bitterns | 182 | Apr (past peak) |
| 10 | Indigo Bunting | Passerina cyanea | Cardinals and Allies | 177 | Apr (past peak) |
| 11 | Snowy Egret | Egretta thula | Herons, Egrets, and Bitterns | 174 | Apr (past peak) |
| 12 | Laughing Gull | Leucophaeus atricilla | Gulls, Terns, and Skimmers | 154 | Apr (past peak) |
| 13 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 143 | Apr (past peak) |
| 14 | Savannah Sparrow | Passerculus sandwichensis | New World Sparrows | 134 | Jan (past peak) |
| 15 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 130 | Jan (past peak) |
| 16 | Belted Kingfisher | Megaceryle alcyon | Kingfishers | 127 | Oct (peak) |
| 17 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 127 | Apr (past peak) |
| 18 | Common Gallinule | Gallinula galeata | Rails, Gallinules, and Coots | 126 | Apr (past peak) |
| 19 | American Redstart | Setophaga ruticilla | New World Warblers | 119 | Oct (peak) |
| 20 | Osprey | Pandion haliaetus | Ospreys | 118 | Apr (past peak) |
| 21 | Swamp Sparrow | Melospiza georgiana | New World Sparrows | 117 | Dec (rising) |
| 22 | Magnolia Warbler | Setophaga magnolia | New World Warblers | 114 | Oct (peak) |
| 23 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 112 | Apr (past peak) |
| 24 | Tricolored Heron | Egretta tricolor | Herons, Egrets, and Bitterns | 110 | Apr (past peak) |
| 25 | Red-shouldered Hawk | Buteo lineatus | Hawks, Eagles, and Kites | 110 | Jan (past peak) |
| 26 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 110 | Jan (past peak) |
| 27 | Roseate Spoonbill | Platalea ajaja | Ibises and Spoonbills | 108 | Apr (past peak) |
| 28 | American Kestrel | Falco sparverius | Falcons and Caracaras | 106 | Dec (rising) |
| 29 | Neotropic Cormorant | Nannopterum brasilianum | Cormorants and Shags | 104 | Oct (peak) |
| 30 | Brown Pelican | Pelecanus occidentalis | Pelicans | 103 | Apr (past peak) |
| 31 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 100 | Mar (past peak) |
| 32 | American Coot | Fulica americana | Rails, Gallinules, and Coots | 97 | Dec (rising) |
| 33 | Sanderling | Calidris alba | Sandpipers and Allies | 97 | Apr (past peak) |
| 34 | Carolina Wren | Thryothorus ludovicianus | Wrens | 97 | Apr (past peak) |
| 35 | Gray Catbird | Dumetella carolinensis | Mockingbirds and Thrashers | 96 | Apr (past peak) |
| 36 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 94 | Apr (past peak) |
| 37 | Least Sandpiper | Calidris minutilla | Sandpipers and Allies | 93 | Apr (past peak) |
| 38 | House Sparrow | Passer domesticus | Old World Sparrows | 93 | Apr (past peak) |
| 39 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 93 | Jan (past peak) |
| 40 | Scissor-tailed Flycatcher | Tyrannus forficatus | Tyrant Flycatchers | 92 | May (past peak) |
| 41 | Eastern Bluebird | Sialia sialis | Thrushes | 88 | Apr (past peak) |
| 42 | Ruby-throated Hummingbird | Archilochus colubris | Hummingbirds | 86 | Apr (past peak) |
| 43 | Marsh Wren | Cistothorus palustris | Wrens | 85 | Oct (peak) |
| 44 | American White Pelican | Pelecanus erythrorhynchos | Pelicans | 84 | Jan (past peak) |
| 45 | Limpkin | Aramus guarauna | Limpkins | 83 | Mar (past peak) |
| 46 | Boat-tailed Grackle | Quiscalus major | New World Blackbirds and Orioles | 83 | Apr (past peak) |
| 47 | Wood Duck | Aix sponsa | Ducks, Geese, and Swans | 82 | Apr (past peak) |
| 48 | Summer Tanager | Piranga rubra | Cardinals and Allies | 82 | Apr (past peak) |
| 49 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 80 | Apr (past peak) |
| 50 | Carolina Chickadee | Poecile carolinensis | Tits, Chickadees, and Titmice | 80 | Apr (past peak) |