60 birds were recorded seen in Vermont in May in our iNaturalist sample; 27 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in May

American Robin
Red-winged Blackbird
Canada Goose

Song Sparrow
Gray Catbird

Baltimore Oriole

Northern Yellow Warbler

Rose-breasted Grosbeak
Eastern Phoebe

Black-capped Chickadee

American Redstart
Common Yellowthroat
All birds seen in Vermont in May
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | American Robin | Turdus migratorius | Thrushes | 1,053 | Apr (past peak) |
| 2 | Red-winged Blackbird | Agelaius phoeniceus | New World Blackbirds and Orioles | 849 | May (peak) |
| 3 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 828 | May (peak) |
| 4 | Song Sparrow | Melospiza melodia | New World Sparrows | 730 | Apr (past peak) |
| 5 | Gray Catbird | Dumetella carolinensis | Mockingbirds and Thrashers | 677 | May (peak) |
| 6 | Baltimore Oriole | Icterus galbula | New World Blackbirds and Orioles | 651 | May (peak) |
| 7 | Northern Yellow Warbler | Setophaga aestiva | New World Warblers | 634 | May (peak) |
| 8 | Rose-breasted Grosbeak | Pheucticus ludovicianus | Cardinals and Allies | 629 | May (peak) |
| 9 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 589 | May (peak) |
| 10 | Black-capped Chickadee | Poecile atricapillus | Tits, Chickadees, and Titmice | 543 | Apr (past peak) |
| 11 | American Redstart | Setophaga ruticilla | New World Warblers | 526 | May (peak) |
| 12 | Common Yellowthroat | Geothlypis trichas | New World Warblers | 505 | May (peak) |
| 13 | Chestnut-sided Warbler | Setophaga pensylvanica | New World Warblers | 501 | May (peak) |
| 14 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 490 | Apr (past peak) |
| 15 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 473 | Apr (past peak) |
| 16 | Ruby-throated Hummingbird | Archilochus colubris | Hummingbirds | 452 | May (peak) |
| 17 | Chipping Sparrow | Spizella passerina | New World Sparrows | 445 | May (peak) |
| 18 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 434 | Apr (past peak) |
| 19 | Eastern Kingbird | Tyrannus tyrannus | Tyrant Flycatchers | 431 | May (peak) |
| 20 | Osprey | Pandion haliaetus | Ospreys | 402 | Apr (past peak) |
| 21 | Tree Swallow | Tachycineta bicolor | Swallows and Martins | 400 | May (peak) |
| 22 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 383 | May (peak) |
| 23 | Ovenbird | Seiurus aurocapilla | New World Warblers | 383 | May (peak) |
| 24 | Yellow-rumped Warbler | Setophaga coronata | New World Warblers | 371 | Oct (rising) |
| 25 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 370 | Apr (past peak) |
| 26 | Veery | Catharus fuscescens | Thrushes | 360 | May (peak) |
| 27 | Common Grackle | Quiscalus quiscula | New World Blackbirds and Orioles | 351 | May (peak) |
| 28 | Bobolink | Dolichonyx oryzivorus | New World Blackbirds and Orioles | 345 | May (peak) |
| 29 | White-throated Sparrow | Zonotrichia albicollis | New World Sparrows | 339 | Oct (rising) |
| 30 | Yellow-bellied Sapsucker | Sphyrapicus varius | Woodpeckers | 332 | Apr (past peak) |
| 31 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 323 | Aug (rising) |
| 32 | Indigo Bunting | Passerina cyanea | Cardinals and Allies | 315 | May (peak) |
| 33 | Red-eyed Vireo | Vireo olivaceus | Vireos, Shrike-Babblers, and Erpornis | 292 | May (peak) |
| 34 | Black-and-white Warbler | Mniotilta varia | New World Warblers | 281 | May (peak) |
| 35 | Turkey Vulture | Cathartes aura | New World Vultures | 276 | Apr (past peak) |
| 36 | Scarlet Tanager | Piranga olivacea | Cardinals and Allies | 272 | May (peak) |
| 37 | Broad-winged Hawk | Buteo platypterus | Hawks, Eagles, and Kites | 261 | May (peak) |
| 38 | Spotted Sandpiper | Actitis macularius | Sandpipers and Allies | 241 | May (peak) |
| 39 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 238 | Apr (past peak) |
| 40 | Wood Duck | Aix sponsa | Ducks, Geese, and Swans | 237 | Apr (past peak) |
| 41 | Hermit Thrush | Catharus guttatus | Thrushes | 223 | Apr (past peak) |
| 42 | Barred Owl | Strix varia | Typical Owls | 222 | Mar (past peak) |
| 43 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 221 | Mar (past peak) |
| 44 | Eastern Bluebird | Sialia sialis | Thrushes | 218 | May (peak) |
| 45 | Northern House Wren | Troglodytes aedon | Wrens | 217 | May (peak) |
| 46 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 216 | Mar (past peak) |
| 47 | European Starling | Sturnus vulgaris | Starlings | 215 | Apr (past peak) |
| 48 | Hairy Woodpecker | Leuconotopicus villosus | Woodpeckers | 215 | Apr (past peak) |
| 49 | Pileated Woodpecker | Dryocopus pileatus | Woodpeckers | 209 | Apr (past peak) |
| 50 | Common Merganser | Mergus merganser | Ducks, Geese, and Swans | 206 | Apr (past peak) |