60 birds were recorded seen in New Hampshire in December 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 December

Black-capped Chickadee

Dark-eyed Junco

American Goldfinch

Blue Jay

Tufted Titmouse
Downy Woodpecker

Wild Turkey
White-breasted Nuthatch
Eastern Bluebird

Northern Cardinal

Hairy Woodpecker
Red-bellied Woodpecker
All birds seen in New Hampshire in December
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 331 | Apr (past peak) |
| 2 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 133 | Apr (past peak) |
| 3 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 120 | May (past peak) |
| 4 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 115 | May (past peak) |
| 5 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 101 | Apr (past peak) |
| 6 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 93 | Apr (past peak) |
| 7 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 85 | Apr (past peak) |
| 8 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 77 | Apr (past peak) |
| 9 | Eastern Bluebird | Sialia sialis | Thrushes | 66 | Apr (past peak) |
| 10 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 58 | Apr (past peak) |
| 11 | Hairy Woodpecker | Leuconotopicus villosus | Woodpeckers | 51 | May (past peak) |
| 12 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 50 | May (past peak) |
| 13 | Red-breasted Nuthatch | Sitta canadensis | Nuthatches | 48 | Apr (past peak) |
| 14 | Pine Siskin | Spinus pinus | Finches, Euphonias, and Allies | 48 | Mar (past peak) |
| 15 | Barred Owl | Strix varia | Typical Owls | 43 | Jul (past peak) |
| 16 | Snow Bunting | Plectrophenax nivalis | Longspurs and Snow Buntings | 43 | Dec (peak) |
| 17 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 36 | May (past peak) |
| 18 | Horned Lark | Eremophila alpestris | Larks | 34 | Jan (past peak) |
| 19 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 33 | Jul (past peak) |
| 20 | Carolina Wren | Thryothorus ludovicianus | Wrens | 33 | Jan (past peak) |
| 21 | Pine Grosbeak | Pinicola enucleator | Finches, Euphonias, and Allies | 32 | Dec (peak) |
| 22 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 31 | Apr (past peak) |
| 23 | Pileated Woodpecker | Dryocopus pileatus | Woodpeckers | 30 | May (past peak) |
| 24 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 29 | Aug (past peak) |
| 25 | Long-tailed Duck | Clangula hyemalis | Ducks, Geese, and Swans | 27 | Dec (peak) |
| 26 | American Herring Gull | Larus smithsonianus | Gulls, Terns, and Skimmers | 27 | Aug (past peak) |
| 27 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 25 | Sep (past peak) |
| 28 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 21 | Jul (past peak) |
| 29 | Canada Jay | Perisoreus canadensis | Crows, Jays, and Magpies | 21 | Oct (past peak) |
| 30 | Red-breasted Merganser | Mergus serrator | Ducks, Geese, and Swans | 20 | Jan (past peak) |
| 31 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 19 | Apr (past peak) |
| 32 | Evening Grosbeak | Hesperiphona vespertina | Finches, Euphonias, and Allies | 19 | Jan (past peak) |
| 33 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 18 | May (past peak) |
| 34 | Surf Scoter | Melanitta perspicillata | Ducks, Geese, and Swans | 17 | Dec (peak) |
| 35 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 17 | Oct (past peak) |
| 36 | Common Loon | Gavia immer | Loons | 16 | Jul (past peak) |
| 37 | Brown Creeper | Certhia americana | Treecreepers | 16 | Apr (past peak) |
| 38 | American Robin | Turdus migratorius | Thrushes | 16 | May (past peak) |
| 39 | Snowy Owl | Bubo scandiacus | Typical Owls | 16 | Jan (past peak) |
| 40 | Common Goldeneye | Bucephala clangula | Ducks, Geese, and Swans | 15 | Feb (past peak) |
| 41 | House Sparrow | Passer domesticus | Old World Sparrows | 15 | Jun (past peak) |
| 42 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 14 | Aug (past peak) |
| 43 | Hooded Merganser | Lophodytes cucullatus | Ducks, Geese, and Swans | 14 | Apr (past peak) |
| 44 | Common Raven | Corvus corax | Crows, Jays, and Magpies | 14 | Jul (past peak) |
| 45 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 14 | May (past peak) |
| 46 | Golden-crowned Kinglet | Regulus satrapa | Kinglets | 14 | Oct (past peak) |
| 47 | Ruffed Grouse | Bonasa umbellus | Pheasants, Grouse, and Allies | 13 | Jun (past peak) |
| 48 | Bufflehead | Bucephala albeola | Ducks, Geese, and Swans | 13 | Apr (past peak) |
| 49 | European Starling | Sturnus vulgaris | Starlings | 13 | May (past peak) |
| 50 | American Tree Sparrow | Spizelloides arborea | New World Sparrows | 13 | Jan (past peak) |