60 birds were recorded seen in Indiana in April in our iNaturalist sample; 31 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in April

American Robin
Canada Goose

Northern Cardinal

Mallard
Red-winged Blackbird

House Sparrow

Brown-headed Cowbird

Mourning Dove
Eastern Bluebird

Great Blue Heron

American Goldfinch
House Finch
All birds seen in Indiana in April
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | American Robin | Turdus migratorius | Thrushes | 1,236 | Apr (peak) |
| 2 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 1,015 | Apr (peak) |
| 3 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 804 | Apr (peak) |
| 4 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 793 | Apr (peak) |
| 5 | Red-winged Blackbird | Agelaius phoeniceus | New World Blackbirds and Orioles | 732 | Apr (peak) |
| 6 | House Sparrow | Passer domesticus | Old World Sparrows | 557 | Apr (peak) |
| 7 | Brown-headed Cowbird | Molothrus ater | New World Blackbirds and Orioles | 550 | Apr (peak) |
| 8 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 516 | Apr (peak) |
| 9 | Eastern Bluebird | Sialia sialis | Thrushes | 496 | Apr (peak) |
| 10 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 392 | May (rising) |
| 11 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 388 | Aug (rising) |
| 12 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 352 | Apr (peak) |
| 13 | Yellow-rumped Warbler | Setophaga coronata | New World Warblers | 349 | Apr (peak) |
| 14 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 344 | Apr (peak) |
| 15 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 330 | May (rising) |
| 16 | Turkey Vulture | Cathartes aura | New World Vultures | 320 | Apr (peak) |
| 17 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 310 | Apr (peak) |
| 18 | Song Sparrow | Melospiza melodia | New World Sparrows | 305 | May (rising) |
| 19 | Chipping Sparrow | Spizella passerina | New World Sparrows | 304 | Apr (peak) |
| 20 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 288 | Apr (peak) |
| 21 | Tree Swallow | Tachycineta bicolor | Swallows and Martins | 277 | May (rising) |
| 22 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 277 | Apr (peak) |
| 23 | Blue-winged Teal | Spatula discors | Ducks, Geese, and Swans | 254 | Apr (peak) |
| 24 | European Starling | Sturnus vulgaris | Starlings | 250 | Apr (peak) |
| 25 | Pileated Woodpecker | Dryocopus pileatus | Woodpeckers | 246 | May (rising) |
| 26 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 241 | Apr (peak) |
| 27 | Common Grackle | Quiscalus quiscula | New World Blackbirds and Orioles | 230 | May (rising) |
| 28 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 224 | Apr (peak) |
| 29 | Wood Duck | Aix sponsa | Ducks, Geese, and Swans | 213 | Apr (peak) |
| 30 | Eastern Towhee | Pipilo erythrophthalmus | New World Sparrows | 206 | Apr (peak) |
| 31 | Northern Flicker | Colaptes auratus | Woodpeckers | 205 | Apr (peak) |
| 32 | Killdeer | Charadrius vociferus | Plovers and Lapwings | 203 | May (rising) |
| 33 | Palm Warbler | Setophaga palmarum | New World Warblers | 194 | May (rising) |
| 34 | American Coot | Fulica americana | Rails, Gallinules, and Coots | 189 | Apr (peak) |
| 35 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 187 | May (rising) |
| 36 | Carolina Chickadee | Poecile carolinensis | Tits, Chickadees, and Titmice | 160 | Apr (peak) |
| 37 | Solitary Sandpiper | Tringa solitaria | Sandpipers and Allies | 159 | Apr (peak) |
| 38 | American White Pelican | Pelecanus erythrorhynchos | Pelicans | 153 | Apr (peak) |
| 39 | Blue-gray Gnatcatcher | Polioptila caerulea | Gnatcatchers and Gnatwrens | 153 | May (rising) |
| 40 | Carolina Wren | Thryothorus ludovicianus | Wrens | 150 | Apr (peak) |
| 41 | Red-headed Woodpecker | Melanerpes erythrocephalus | Woodpeckers | 146 | May (rising) |
| 42 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 145 | Sep (rising) |
| 43 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 144 | May (rising) |
| 44 | Brown Thrasher | Toxostoma rufum | Mockingbirds and Thrashers | 137 | May (rising) |
| 45 | Cooper's Hawk | Astur cooperii | Hawks, Eagles, and Kites | 136 | Apr (peak) |
| 46 | Red-shouldered Hawk | Buteo lineatus | Hawks, Eagles, and Kites | 135 | May (rising) |
| 47 | Rose-breasted Grosbeak | Pheucticus ludovicianus | Cardinals and Allies | 135 | May (rising) |
| 48 | Ruby-crowned Kinglet | Corthylio calendula | Kinglets | 135 | Apr (peak) |
| 49 | Field Sparrow | Spizella pusilla | New World Sparrows | 132 | May (rising) |
| 50 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 132 | Sep (rising) |