Rare Birds in Wisconsin
Our list for Wisconsin has 48 rare birds recorded regularly there: 5 residents, 14 summer visitors, 7 winter visitors, 21 passage migrants and 1 scarce visitor
Most likely in October
GBIF · Oct
Share of all bird records in Wisconsin in October, 2019–2024. Each month links to that month’s page.
All 48, most common first
Franklin's GullLeucophaeus pipixcanSummer visitorRare32–36 cmRegularly Apr–Nov
Eurasian Tree SparrowPasser montanusWinter visitorRare13–14 cmRegularly Oct–Jun
Cinnamon TealSpatula cyanopteraPassage migrantRare36–43 cmRegularly Apr–May
European GoldfinchCarduelis carduelisResidentRare12–13 cmRecorded all year
Eurasian WigeonMareca penelopePassage migrantRare42–51 cmRegularly Mar–Apr
KittiwakeRissa tridactylaPassage migrantRare37–41 cmRegularly Dec
Black-necked GrebePodiceps nigricollisPassage migrantRare28–34 cmRegularly Apr–Dec
Little GullHydrocoloeus minutusSummer visitorRare25–30 cmRegularly May–Jul
Whooper SwanCygnus cygnusPassage migrantRare140–165 cmRegularly Apr–Oct
RuffCalidris pugnaxPassage migrantRare20–32 cmRegularly Apr–May
Cattle EgretArdea ibisSummer visitorRare46–56 cmRegularly Apr–Nov
Red KnotCalidris canutusPassage migrantRare23–26 cmRegularly May–Oct
Hudsonian GodwitLimosa haemasticaPassage migrantRare36–42 cmRegularly Apr–Nov
Pacific LoonGavia pacificaPassage migrantRare58–74 cmRegularly Oct–Dec
WhimbrelNumenius phaeopusSummer visitorRare40–46 cmRegularly May–Sep
Glossy IbisPlegadis falcinellusPassage migrantRare48–66 cmRegularly May–Jun
Marbled GodwitLimosa fedoaSummer visitorRare40–50 cmRegularly Apr–Aug
Northern MockingbirdMimus polyglottosSummer visitorRare21–26 cmRegularly Apr–Jan
Say's PhoebeSayornis sayaResidentRare17–20 cmRegularly Apr–May
Scissor-tailed FlycatcherTyrannus forficatusPassage migrantRare28–38 cmRegularly Apr–Jun
Western KingbirdTyrannus verticalisPassage migrantRare20–24 cmRegularly May–Sep
White-winged DoveZenaida asiaticaResidentRare27–30 cmRegularly May–Jul
ChukarAlectoris chukarResidentRare32–38 cmRegularly Apr–Dec
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made