60 birds were recorded seen in Idaho in March in our iNaturalist sample; 12 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in March

American Robin
Trumpeter Swan

Mallard

Red-tailed Hawk
Canada Goose

Bald Eagle
Red-winged Blackbird

Snow Goose

Song Sparrow
Black-billed Magpie

Northern Harrier

Dark-eyed Junco
All birds seen in Idaho in March
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | American Robin | Turdus migratorius | Thrushes | 497 | Mar (peak) |
| 2 | Trumpeter Swan | Cygnus buccinator | Ducks, Geese, and Swans | 472 | Mar (peak) |
| 3 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 454 | Apr (rising) |
| 4 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 402 | Mar (peak) |
| 5 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 396 | Apr (rising) |
| 6 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 234 | Jan (past peak) |
| 7 | Red-winged Blackbird | Agelaius phoeniceus | New World Blackbirds and Orioles | 229 | Apr (rising) |
| 8 | Snow Goose | Anser caerulescens | Ducks, Geese, and Swans | 209 | Mar (peak) |
| 9 | Song Sparrow | Melospiza melodia | New World Sparrows | 191 | Apr (rising) |
| 10 | Black-billed Magpie | Pica hudsonia | Crows, Jays, and Magpies | 177 | May (rising) |
| 11 | Northern Harrier | Circus hudsonius | Hawks, Eagles, and Kites | 157 | Mar (peak) |
| 12 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 155 | Jan (past peak) |
| 13 | Northern Flicker | Colaptes auratus | Woodpeckers | 146 | Mar (peak) |
| 14 | Common Goldeneye | Bucephala clangula | Ducks, Geese, and Swans | 142 | Feb (past peak) |
| 15 | American Coot | Fulica americana | Rails, Gallinules, and Coots | 141 | Apr (rising) |
| 16 | American Kestrel | Falco sparverius | Falcons and Caracaras | 141 | Jan (past peak) |
| 17 | American Wigeon | Mareca americana | Ducks, Geese, and Swans | 138 | Mar (peak) |
| 18 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 136 | Apr (rising) |
| 19 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 131 | Feb (past peak) |
| 20 | Northern Shoveler | Spatula clypeata | Ducks, Geese, and Swans | 130 | Apr (rising) |
| 21 | Great Horned Owl | Bubo virginianus | Typical Owls | 127 | Apr (rising) |
| 22 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 127 | Apr (rising) |
| 23 | Killdeer | Charadrius vociferus | Plovers and Lapwings | 123 | May (rising) |
| 24 | Ring-necked Duck | Aythya collaris | Ducks, Geese, and Swans | 122 | Nov (rising) |
| 25 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 121 | Apr (rising) |
| 26 | Cedar Waxwing | Bombycilla cedrorum | Waxwings | 119 | Jun (rising) |
| 27 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 118 | Apr (rising) |
| 28 | Wood Duck | Aix sponsa | Ducks, Geese, and Swans | 117 | Nov (rising) |
| 29 | Sandhill Crane | Antigone canadensis | Cranes | 116 | Apr (rising) |
| 30 | House Sparrow | Passer domesticus | Old World Sparrows | 111 | Apr (rising) |
| 31 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 109 | Mar (peak) |
| 32 | Common Merganser | Mergus merganser | Ducks, Geese, and Swans | 107 | Apr (rising) |
| 33 | Western Meadowlark | Sturnella neglecta | New World Blackbirds and Orioles | 103 | Apr (rising) |
| 34 | Northern Pintail | Anas acuta | Ducks, Geese, and Swans | 96 | Mar (peak) |
| 35 | European Starling | Sturnus vulgaris | Starlings | 91 | Apr (rising) |
| 36 | Common Raven | Corvus corax | Crows, Jays, and Magpies | 87 | Apr (rising) |
| 37 | California Gull | Larus californicus | Gulls, Terns, and Skimmers | 83 | Mar (peak) |
| 38 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 83 | Apr (rising) |
| 39 | Eurasian Collared-Dove | Streptopelia decaocto | Pigeons and Doves | 82 | Apr (rising) |
| 40 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 77 | Apr (rising) |
| 41 | Lesser Scaup | Aythya affinis | Ducks, Geese, and Swans | 76 | Apr (rising) |
| 42 | Bufflehead | Bucephala albeola | Ducks, Geese, and Swans | 74 | Nov (rising) |
| 43 | Hooded Merganser | Lophodytes cucullatus | Ducks, Geese, and Swans | 74 | Nov (rising) |
| 44 | Gadwall | Mareca strepera | Ducks, Geese, and Swans | 74 | Apr (rising) |
| 45 | White-crowned Sparrow | Zonotrichia leucophrys | New World Sparrows | 73 | Sep (rising) |
| 46 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 73 | Apr (rising) |
| 47 | Greater White-fronted Goose | Anser albifrons | Ducks, Geese, and Swans | 70 | Mar (peak) |
| 48 | Horned Lark | Eremophila alpestris | Larks | 70 | Mar (peak) |
| 49 | Lesser Goldfinch | Spinus psaltria | Finches, Euphonias, and Allies | 67 | Apr (rising) |
| 50 | Mountain Bluebird | Sialia currucoides | Thrushes | 64 | Jun (rising) |