60 birds were recorded seen in Colorado in November 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 November

Red-tailed Hawk
Canada Goose

Mallard
Black-billed Magpie
American Wigeon

Bald Eagle

Ring-billed Gull

Northern Flicker

Dark-eyed Junco
House Finch

Gadwall
Bufflehead
All birds seen in Colorado in November
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 716 | Apr (past peak) |
| 2 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 489 | Apr (past peak) |
| 3 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 442 | Apr (past peak) |
| 4 | Black-billed Magpie | Pica hudsonia | Crows, Jays, and Magpies | 437 | Jun (past peak) |
| 5 | American Wigeon | Mareca americana | Ducks, Geese, and Swans | 425 | Nov (peak) |
| 6 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 363 | Jan (past peak) |
| 7 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 329 | Nov (peak) |
| 8 | Northern Flicker | Colaptes auratus | Woodpeckers | 318 | Apr (past peak) |
| 9 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 310 | Jul (past peak) |
| 10 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 285 | May (past peak) |
| 11 | Gadwall | Mareca strepera | Ducks, Geese, and Swans | 271 | Apr (past peak) |
| 12 | Bufflehead | Bucephala albeola | Ducks, Geese, and Swans | 267 | Nov (peak) |
| 13 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 235 | Apr (past peak) |
| 14 | American Kestrel | Falco sparverius | Falcons and Caracaras | 224 | Jan (past peak) |
| 15 | Hooded Merganser | Lophodytes cucullatus | Ducks, Geese, and Swans | 223 | Jan (past peak) |
| 16 | Northern Shoveler | Spatula clypeata | Ducks, Geese, and Swans | 213 | Apr (past peak) |
| 17 | Ring-necked Duck | Aythya collaris | Ducks, Geese, and Swans | 212 | Jan (past peak) |
| 18 | Cackling Goose | Branta hutchinsii | Ducks, Geese, and Swans | 211 | Dec (rising) |
| 19 | Steller's Jay | Cyanocitta stelleri | Crows, Jays, and Magpies | 208 | Sep (past peak) |
| 20 | American Coot | Fulica americana | Rails, Gallinules, and Coots | 200 | Apr (past peak) |
| 21 | Great Horned Owl | Bubo virginianus | Typical Owls | 190 | May (past peak) |
| 22 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 188 | Apr (past peak) |
| 23 | Common Goldeneye | Bucephala clangula | Ducks, Geese, and Swans | 187 | Jan (past peak) |
| 24 | White-crowned Sparrow | Zonotrichia leucophrys | New World Sparrows | 179 | Jul (past peak) |
| 25 | American Robin | Turdus migratorius | Thrushes | 176 | Apr (past peak) |
| 26 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 162 | Apr (past peak) |
| 27 | Townsend's Solitaire | Myadestes townsendi | Thrushes | 160 | Oct (past peak) |
| 28 | Song Sparrow | Melospiza melodia | New World Sparrows | 154 | Apr (past peak) |
| 29 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 142 | May (past peak) |
| 30 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 142 | May (past peak) |
| 31 | Red-winged Blackbird | Agelaius phoeniceus | New World Blackbirds and Orioles | 142 | May (past peak) |
| 32 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 137 | May (past peak) |
| 33 | Woodhouse's Scrub-Jay | Aphelocoma woodhouseii | Crows, Jays, and Magpies | 137 | Aug (past peak) |
| 34 | European Starling | Sturnus vulgaris | Starlings | 130 | Apr (past peak) |
| 35 | American Tree Sparrow | Spizelloides arborea | New World Sparrows | 129 | Nov (peak) |
| 36 | Pied-billed Grebe | Podilymbus podiceps | Grebes | 124 | Oct (past peak) |
| 37 | Snow Goose | Anser caerulescens | Ducks, Geese, and Swans | 120 | Dec (rising) |
| 38 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 118 | Apr (past peak) |
| 39 | Belted Kingfisher | Megaceryle alcyon | Kingfishers | 109 | Jan (past peak) |
| 40 | Ferruginous Hawk | Buteo regalis | Hawks, Eagles, and Kites | 109 | Jan (past peak) |
| 41 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 109 | Aug (past peak) |
| 42 | Green-winged Teal | Anas crecca | Ducks, Geese, and Swans | 104 | Mar (past peak) |
| 43 | House Sparrow | Passer domesticus | Old World Sparrows | 104 | Jun (past peak) |
| 44 | Northern Harrier | Circus hudsonius | Hawks, Eagles, and Kites | 103 | Jan (past peak) |
| 45 | Mountain Chickadee | Poecile gambeli | Tits, Chickadees, and Titmice | 101 | Aug (past peak) |
| 46 | Sandhill Crane | Antigone canadensis | Cranes | 101 | Mar (past peak) |
| 47 | Eurasian Collared-Dove | Streptopelia decaocto | Pigeons and Doves | 100 | Apr (past peak) |
| 48 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 96 | Jul (past peak) |
| 49 | Common Raven | Corvus corax | Crows, Jays, and Magpies | 93 | Jul (past peak) |
| 50 | Common Loon | Gavia immer | Loons | 92 | Nov (peak) |