60 birds were recorded seen in Massachusetts in October in our iNaturalist sample; 3 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in October
Canada Goose

Wild Turkey

Mallard

Red-tailed Hawk

Blue Jay

Great Blue Heron

Double-crested Cormorant

Yellow-rumped Warbler

Black-capped Chickadee

Song Sparrow

House Sparrow
Downy Woodpecker
All birds seen in Massachusetts in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 1,033 | Apr (past peak) |
| 2 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 985 | Apr (past peak) |
| 3 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 953 | Apr (past peak) |
| 4 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 949 | Apr (past peak) |
| 5 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 916 | Apr (past peak) |
| 6 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 855 | May (past peak) |
| 7 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 815 | Aug (past peak) |
| 8 | Yellow-rumped Warbler | Setophaga coronata | New World Warblers | 770 | Oct (peak) |
| 9 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 741 | Apr (past peak) |
| 10 | Song Sparrow | Melospiza melodia | New World Sparrows | 713 | Apr (past peak) |
| 11 | House Sparrow | Passer domesticus | Old World Sparrows | 710 | Apr (past peak) |
| 12 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 635 | Apr (past peak) |
| 13 | American Herring Gull | Larus smithsonianus | Gulls, Terns, and Skimmers | 635 | Aug (past peak) |
| 14 | Mute Swan | Cygnus olor | Ducks, Geese, and Swans | 547 | Apr (past peak) |
| 15 | American Robin | Turdus migratorius | Thrushes | 513 | Apr (past peak) |
| 16 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 506 | Apr (past peak) |
| 17 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 493 | Apr (past peak) |
| 18 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 452 | Apr (past peak) |
| 19 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 446 | Apr (past peak) |
| 20 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 398 | Apr (past peak) |
| 21 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 389 | Dec (rising) |
| 22 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 384 | Aug (past peak) |
| 23 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 369 | Apr (past peak) |
| 24 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 367 | Jan (past peak) |
| 25 | Swamp Sparrow | Melospiza georgiana | New World Sparrows | 351 | Oct (peak) |
| 26 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 323 | Apr (past peak) |
| 27 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 319 | Apr (past peak) |
| 28 | Savannah Sparrow | Passerculus sandwichensis | New World Sparrows | 314 | Apr (past peak) |
| 29 | Ruby-crowned Kinglet | Corthylio calendula | Kinglets | 309 | Apr (past peak) |
| 30 | European Starling | Sturnus vulgaris | Starlings | 295 | Apr (past peak) |
| 31 | Great Black-backed Gull | Larus marinus | Gulls, Terns, and Skimmers | 293 | Aug (past peak) |
| 32 | Laughing Gull | Leucophaeus atricilla | Gulls, Terns, and Skimmers | 286 | Aug (past peak) |
| 33 | Palm Warbler | Setophaga palmarum | New World Warblers | 282 | Apr (past peak) |
| 34 | Chipping Sparrow | Spizella passerina | New World Sparrows | 278 | Apr (past peak) |
| 35 | Blackpoll Warbler | Setophaga striata | New World Warblers | 275 | Oct (peak) |
| 36 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 272 | Apr (past peak) |
| 37 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 269 | Aug (past peak) |
| 38 | Turkey Vulture | Cathartes aura | New World Vultures | 233 | Apr (past peak) |
| 39 | Common Eider | Somateria mollissima | Ducks, Geese, and Swans | 233 | Jan (past peak) |
| 40 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 233 | Aug (past peak) |
| 41 | Eastern Bluebird | Sialia sialis | Thrushes | 230 | Apr (past peak) |
| 42 | Carolina Wren | Thryothorus ludovicianus | Wrens | 226 | Apr (past peak) |
| 43 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 212 | Apr (past peak) |
| 44 | Common Grackle | Quiscalus quiscula | New World Blackbirds and Orioles | 208 | Apr (past peak) |
| 45 | Greater Yellowlegs | Tringa melanoleuca | Sandpipers and Allies | 199 | Aug (past peak) |
| 46 | Northern Flicker | Colaptes auratus | Woodpeckers | 199 | Apr (past peak) |
| 47 | Barred Owl | Strix varia | Typical Owls | 190 | May (past peak) |
| 48 | Black-bellied Plover | Pluvialis squatarola | Plovers and Lapwings | 185 | Sep (past peak) |
| 49 | Sanderling | Calidris alba | Sandpipers and Allies | 182 | Aug (past peak) |
| 50 | American Black Duck | Anas rubripes | Ducks, Geese, and Swans | 179 | Jan (past peak) |