60 birds were recorded seen in North Dakota in October in our iNaturalist sample; 4 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in October

Dark-eyed Junco

Harris's Sparrow

Wild Turkey

White-throated Sparrow

Black-capped Chickadee

Ring-necked Pheasant

American Robin
Merlin

Bald Eagle

Mallard
Greater Yellowlegs

Ring-billed Gull
All birds seen in North Dakota in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 35 | Apr (past peak) |
| 2 | Harris's Sparrow | Zonotrichia querula | New World Sparrows | 24 | May (past peak) |
| 3 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 23 | Apr (past peak) |
| 4 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 22 | May (past peak) |
| 5 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 22 | Oct (peak) |
| 6 | Ring-necked Pheasant | Phasianus colchicus | Pheasants, Grouse, and Allies | 19 | Apr (past peak) |
| 7 | American Robin | Turdus migratorius | Thrushes | 17 | Apr (past peak) |
| 8 | Merlin | Falco columbarius | Falcons and Caracaras | 16 | Oct (peak) |
| 9 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 16 | Mar (past peak) |
| 10 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 16 | May (past peak) |
| 11 | Greater Yellowlegs | Tringa melanoleuca | Sandpipers and Allies | 15 | Apr (past peak) |
| 12 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 15 | Jul (past peak) |
| 13 | American Pipit | Anthus rubescens | Wagtails and Pipits | 14 | Oct (peak) |
| 14 | Snow Goose | Anser caerulescens | Ducks, Geese, and Swans | 14 | Apr (past peak) |
| 15 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 14 | Dec (rising) |
| 16 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 14 | Jun (past peak) |
| 17 | Yellow-rumped Warbler | Setophaga coronata | New World Warblers | 13 | May (past peak) |
| 18 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 12 | Sep (past peak) |
| 19 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 12 | Apr (past peak) |
| 20 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 11 | Apr (past peak) |
| 21 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 10 | Dec (rising) |
| 22 | White-crowned Sparrow | Zonotrichia leucophrys | New World Sparrows | 10 | May (past peak) |
| 23 | Hairy Woodpecker | Leuconotopicus villosus | Woodpeckers | 10 | Jun (past peak) |
| 24 | Western Grebe | Aechmophorus occidentalis | Grebes | 9 | Jun (past peak) |
| 25 | Tundra Swan | Cygnus columbianus | Ducks, Geese, and Swans | 9 | Apr (past peak) |
| 26 | Savannah Sparrow | Passerculus sandwichensis | New World Sparrows | 9 | Jun (past peak) |
| 27 | House Sparrow | Passer domesticus | Old World Sparrows | 9 | Jun (past peak) |
| 28 | Northern Flicker | Colaptes auratus | Woodpeckers | 9 | Apr (past peak) |
| 29 | Sandhill Crane | Antigone canadensis | Cranes | 9 | Apr (past peak) |
| 30 | American Herring Gull | Larus smithsonianus | Gulls, Terns, and Skimmers | 9 | Oct (peak) |
| 31 | American Coot | Fulica americana | Rails, Gallinules, and Coots | 8 | Jun (past peak) |
| 32 | Cedar Waxwing | Bombycilla cedrorum | Waxwings | 8 | Jun (past peak) |
| 33 | Chipping Sparrow | Spizella passerina | New World Sparrows | 8 | May (past peak) |
| 34 | Rusty Blackbird | Euphagus carolinus | New World Blackbirds and Orioles | 8 | Apr (past peak) |
| 35 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 8 | Jul (past peak) |
| 36 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 8 | Jul (past peak) |
| 37 | Gadwall | Mareca strepera | Ducks, Geese, and Swans | 8 | May (past peak) |
| 38 | Greater White-fronted Goose | Anser albifrons | Ducks, Geese, and Swans | 7 | Apr (past peak) |
| 39 | Song Sparrow | Melospiza melodia | New World Sparrows | 7 | May (past peak) |
| 40 | Pied-billed Grebe | Podilymbus podiceps | Grebes | 6 | Aug (past peak) |
| 41 | American White Pelican | Pelecanus erythrorhynchos | Pelicans | 6 | Jun (past peak) |
| 42 | Hooded Merganser | Lophodytes cucullatus | Ducks, Geese, and Swans | 6 | May (past peak) |
| 43 | Vesper Sparrow | Pooecetes gramineus | New World Sparrows | 6 | Jun (past peak) |
| 44 | Black-billed Magpie | Pica hudsonia | Crows, Jays, and Magpies | 6 | Jun (past peak) |
| 45 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 6 | Apr (past peak) |
| 46 | American Tree Sparrow | Spizelloides arborea | New World Sparrows | 6 | Apr (past peak) |
| 47 | Northern Shoveler | Spatula clypeata | Ducks, Geese, and Swans | 6 | May (past peak) |
| 48 | American Golden-Plover | Pluvialis dominica | Plovers and Lapwings | 5 | May (past peak) |
| 49 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 5 | Aug (past peak) |
| 50 | Green-winged Teal | Anas crecca | Ducks, Geese, and Swans | 5 | Jun (past peak) |