1. Home
  2. Birds
  3. Wisconsin
  4. May

Birds Seen in Wisconsin in May

60 species · iNaturalist data

60 birds were recorded seen in Wisconsin in May in our iNaturalist sample; 34 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Top birds in May

All birds seen in Wisconsin in May

#SpeciesScientific nameFamilyObs.Peak in state
1Red-winged BlackbirdAgelaius phoeniceusNew World Blackbirds and Orioles1,861May (peak)
2American RobinTurdus migratoriusThrushes1,814Apr (past peak)
3Baltimore OrioleIcterus galbulaNew World Blackbirds and Orioles1,568May (peak)
4Canada GooseBranta canadensisDucks, Geese, and Swans1,533May (peak)
5MallardAnas platyrhynchosDucks, Geese, and Swans1,284Apr (past peak)
6Rose-breasted GrosbeakPheucticus ludovicianusCardinals and Allies1,193May (peak)
7Gray CatbirdDumetella carolinensisMockingbirds and Thrashers909May (peak)
8Sandhill CraneAntigone canadensisCranes896May (peak)
9Tree SwallowTachycineta bicolorSwallows and Martins809May (peak)
10Wild TurkeyMeleagris gallopavoPheasants, Grouse, and Allies792May (peak)
11Northern Yellow WarblerSetophaga aestivaNew World Warblers788May (peak)
12American GoldfinchSpinus tristisFinches, Euphonias, and Allies772May (peak)
13Northern CardinalCardinalis cardinalisCardinals and Allies741Apr (past peak)
14Common GrackleQuiscalus quisculaNew World Blackbirds and Orioles690May (peak)
15Song SparrowMelospiza melodiaNew World Sparrows672May (peak)
16Mourning DoveZenaida macrouraPigeons and Doves653Apr (past peak)
17House SparrowPasser domesticusOld World Sparrows638May (peak)
18Brown-headed CowbirdMolothrus aterNew World Blackbirds and Orioles571May (peak)
19American RedstartSetophaga ruticillaNew World Warblers567May (peak)
20Blue JayCyanocitta cristataCrows, Jays, and Magpies546May (peak)
21Eastern KingbirdTyrannus tyrannusTyrant Flycatchers529May (peak)
22Indigo BuntingPasserina cyaneaCardinals and Allies520May (peak)
23Great Blue HeronArdea herodiasHerons, Egrets, and Bitterns513Aug (rising)
24KilldeerCharadrius vociferusPlovers and Lapwings512May (peak)
25Black-capped ChickadeePoecile atricapillusTits, Chickadees, and Titmice502Apr (past peak)
26Palm WarblerSetophaga palmarumNew World Warblers490May (peak)
27American White PelicanPelecanus erythrorhynchosPelicans479Apr (past peak)
28Bald EagleHaliaeetus leucocephalusHawks, Eagles, and Kites468May (peak)
29House FinchHaemorhous mexicanusFinches, Euphonias, and Allies455May (peak)
30Yellow-rumped WarblerSetophaga coronataNew World Warblers453Apr (past peak)
31Common YellowthroatGeothlypis trichasNew World Warblers443May (peak)
32Ruby-throated HummingbirdArchilochus colubrisHummingbirds438Aug (rising)
33Scarlet TanagerPiranga olivaceaCardinals and Allies431May (peak)
34Barn SwallowHirundo rusticaSwallows and Martins430May (peak)
35Red-bellied WoodpeckerMelanerpes carolinusWoodpeckers429May (peak)
36White-crowned SparrowZonotrichia leucophrysNew World Sparrows425May (peak)
37Chipping SparrowSpizella passerinaNew World Sparrows384May (peak)
38Northern House WrenTroglodytes aedonWrens373May (peak)
39Downy WoodpeckerDryobates pubescensWoodpeckers371Apr (past peak)
40Wood DuckAix sponsaDucks, Geese, and Swans352Apr (past peak)
41Turkey VultureCathartes auraNew World Vultures343Apr (past peak)
42Eastern BluebirdSialia sialisThrushes329May (peak)
43Green HeronButorides virescensHerons, Egrets, and Bitterns312Aug (rising)
44Red-tailed HawkButeo jamaicensisHawks, Eagles, and Kites300Sep (rising)
45Chestnut-sided WarblerSetophaga pensylvanicaNew World Warblers298May (peak)
46European StarlingSturnus vulgarisStarlings297May (peak)
47Magnolia WarblerSetophaga magnoliaNew World Warblers294May (peak)
48Blue-winged TealSpatula discorsDucks, Geese, and Swans292Apr (past peak)
49Eastern PhoebeSayornis phoebeTyrant Flycatchers289Apr (past peak)
50Red-headed WoodpeckerMelanerpes erythrocephalusWoodpeckers272May (peak)