60 birds were recorded seen in New Jersey in October in our iNaturalist sample; 15 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in October

Yellow-rumped Warbler

White-throated Sparrow
Canada Goose

Great Blue Heron

Mallard

Ruby-crowned Kinglet

Song Sparrow

Red-tailed Hawk

Great Egret

Blue Jay
Mute Swan

Northern Mockingbird
All birds seen in New Jersey in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Yellow-rumped Warbler | Setophaga coronata | New World Warblers | 971 | Oct (peak) |
| 2 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 733 | Oct (peak) |
| 3 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 688 | Apr (past peak) |
| 4 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 670 | Sep (past peak) |
| 5 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 602 | Mar (past peak) |
| 6 | Ruby-crowned Kinglet | Corthylio calendula | Kinglets | 515 | Oct (peak) |
| 7 | Song Sparrow | Melospiza melodia | New World Sparrows | 507 | Mar (past peak) |
| 8 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 482 | Mar (past peak) |
| 9 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 466 | Aug (past peak) |
| 10 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 456 | May (past peak) |
| 11 | Mute Swan | Cygnus olor | Ducks, Geese, and Swans | 450 | Oct (peak) |
| 12 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 440 | Apr (past peak) |
| 13 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 438 | Oct (peak) |
| 14 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 432 | Oct (peak) |
| 15 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 429 | Aug (past peak) |
| 16 | Swamp Sparrow | Melospiza georgiana | New World Sparrows | 420 | Oct (peak) |
| 17 | House Sparrow | Passer domesticus | Old World Sparrows | 419 | May (past peak) |
| 18 | Turkey Vulture | Cathartes aura | New World Vultures | 401 | Mar (past peak) |
| 19 | American Herring Gull | Larus smithsonianus | Gulls, Terns, and Skimmers | 359 | Aug (past peak) |
| 20 | Palm Warbler | Setophaga palmarum | New World Warblers | 354 | Oct (peak) |
| 21 | American Robin | Turdus migratorius | Thrushes | 353 | Apr (past peak) |
| 22 | Laughing Gull | Leucophaeus atricilla | Gulls, Terns, and Skimmers | 349 | Aug (past peak) |
| 23 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 340 | Oct (peak) |
| 24 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 334 | Apr (past peak) |
| 25 | Common Yellowthroat | Geothlypis trichas | New World Warblers | 309 | May (past peak) |
| 26 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 281 | Apr (past peak) |
| 27 | Great Black-backed Gull | Larus marinus | Gulls, Terns, and Skimmers | 278 | Aug (past peak) |
| 28 | Golden-crowned Kinglet | Regulus satrapa | Kinglets | 278 | Oct (peak) |
| 29 | Savannah Sparrow | Passerculus sandwichensis | New World Sparrows | 263 | Oct (peak) |
| 30 | Osprey | Pandion haliaetus | Ospreys | 258 | Aug (past peak) |
| 31 | Northern Flicker | Colaptes auratus | Woodpeckers | 254 | Apr (past peak) |
| 32 | Sanderling | Calidris alba | Sandpipers and Allies | 246 | Aug (past peak) |
| 33 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 238 | Mar (past peak) |
| 34 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 234 | Apr (past peak) |
| 35 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 228 | Jan (past peak) |
| 36 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 227 | Dec (rising) |
| 37 | European Starling | Sturnus vulgaris | Starlings | 227 | May (past peak) |
| 38 | American Wigeon | Mareca americana | Ducks, Geese, and Swans | 209 | Oct (peak) |
| 39 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 203 | Oct (peak) |
| 40 | Hermit Thrush | Catharus guttatus | Thrushes | 199 | Apr (past peak) |
| 41 | Sharp-shinned Hawk | Accipiter striatus | Hawks, Eagles, and Kites | 192 | Oct (peak) |
| 42 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 189 | Mar (past peak) |
| 43 | Greater Yellowlegs | Tringa melanoleuca | Sandpipers and Allies | 188 | Apr (past peak) |
| 44 | Gray Catbird | Dumetella carolinensis | Mockingbirds and Thrashers | 182 | May (past peak) |
| 45 | Snowy Egret | Egretta thula | Herons, Egrets, and Bitterns | 181 | Aug (past peak) |
| 46 | Peregrine Falcon | Falco peregrinus | Falcons and Caracaras | 179 | Oct (peak) |
| 47 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 176 | Apr (past peak) |
| 48 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 175 | Apr (past peak) |
| 49 | Northern Parula | Setophaga americana | New World Warblers | 173 | Sep (past peak) |
| 50 | Northern Pintail | Anas acuta | Ducks, Geese, and Swans | 172 | Jan (past peak) |