60 birds were recorded seen in Rhode Island in December in our iNaturalist sample; 9 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in December

Common Eider

Mallard

American Herring Gull
Canada Goose
Bufflehead

Black-capped Chickadee

Red-breasted Merganser
Common Loon

Red-tailed Hawk

Song Sparrow

Tufted Titmouse

Harlequin Duck
All birds seen in Rhode Island in December
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Common Eider | Somateria mollissima | Ducks, Geese, and Swans | 96 | Jan (past peak) |
| 2 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 80 | Apr (past peak) |
| 3 | American Herring Gull | Larus smithsonianus | Gulls, Terns, and Skimmers | 71 | Aug (past peak) |
| 4 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 60 | Apr (past peak) |
| 5 | Bufflehead | Bucephala albeola | Ducks, Geese, and Swans | 58 | Feb (past peak) |
| 6 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 51 | Apr (past peak) |
| 7 | Red-breasted Merganser | Mergus serrator | Ducks, Geese, and Swans | 50 | Mar (past peak) |
| 8 | Common Loon | Gavia immer | Loons | 47 | Dec (peak) |
| 9 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 47 | Apr (past peak) |
| 10 | Song Sparrow | Melospiza melodia | New World Sparrows | 47 | May (past peak) |
| 11 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 46 | Apr (past peak) |
| 12 | Harlequin Duck | Histrionicus histrionicus | Ducks, Geese, and Swans | 44 | Apr (past peak) |
| 13 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 44 | Jan (past peak) |
| 14 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 44 | May (past peak) |
| 15 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 44 | Oct (past peak) |
| 16 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 43 | Apr (past peak) |
| 17 | Greater Scaup | Aythya marila | Ducks, Geese, and Swans | 42 | Dec (peak) |
| 18 | Black Scoter | Melanitta americana | Ducks, Geese, and Swans | 42 | Jan (past peak) |
| 19 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 40 | Aug (past peak) |
| 20 | Carolina Wren | Thryothorus ludovicianus | Wrens | 40 | May (past peak) |
| 21 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 40 | Apr (past peak) |
| 22 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 40 | Apr (past peak) |
| 23 | Common Goldeneye | Bucephala clangula | Ducks, Geese, and Swans | 38 | Feb (past peak) |
| 24 | Brant | Branta bernicla | Ducks, Geese, and Swans | 37 | Apr (past peak) |
| 25 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 37 | Dec (peak) |
| 26 | Mute Swan | Cygnus olor | Ducks, Geese, and Swans | 36 | Apr (past peak) |
| 27 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 33 | Apr (past peak) |
| 28 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 32 | May (past peak) |
| 29 | Hooded Merganser | Lophodytes cucullatus | Ducks, Geese, and Swans | 29 | Feb (past peak) |
| 30 | American Robin | Turdus migratorius | Thrushes | 29 | Apr (past peak) |
| 31 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 26 | Jun (past peak) |
| 32 | American Black Duck | Anas rubripes | Ducks, Geese, and Swans | 26 | Jan (past peak) |
| 33 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 24 | Apr (past peak) |
| 34 | Snowy Owl | Bubo scandiacus | Typical Owls | 23 | Dec (peak) |
| 35 | Purple Sandpiper | Calidris maritima | Sandpipers and Allies | 22 | Dec (peak) |
| 36 | House Sparrow | Passer domesticus | Old World Sparrows | 22 | May (past peak) |
| 37 | Sanderling | Calidris alba | Sandpipers and Allies | 20 | Sep (past peak) |
| 38 | Horned Grebe | Podiceps auritus | Grebes | 19 | Mar (past peak) |
| 39 | Surf Scoter | Melanitta perspicillata | Ducks, Geese, and Swans | 19 | Feb (past peak) |
| 40 | White-winged Scoter | Melanitta deglandi | Ducks, Geese, and Swans | 19 | Dec (peak) |
| 41 | Great Black-backed Gull | Larus marinus | Gulls, Terns, and Skimmers | 17 | Jul (past peak) |
| 42 | Long-tailed Duck | Clangula hyemalis | Ducks, Geese, and Swans | 17 | Dec (peak) |
| 43 | European Starling | Sturnus vulgaris | Starlings | 17 | Apr (past peak) |
| 44 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 17 | May (past peak) |
| 45 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 16 | Apr (past peak) |
| 46 | Horned Lark | Eremophila alpestris | Larks | 16 | Dec (peak) |
| 47 | Northern Harrier | Circus hudsonius | Hawks, Eagles, and Kites | 16 | Dec (peak) |
| 48 | Northern Flicker | Colaptes auratus | Woodpeckers | 15 | Jul (past peak) |
| 49 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 15 | Nov (past peak) |
| 50 | Red-throated Loon | Gavia stellata | Loons | 14 | Mar (past peak) |