Uncommon Birds in Wisconsin
Our list for Wisconsin has 79 uncommon birds recorded regularly there: 7 residents, 28 summer visitors, 23 winter visitors and 21 passage migrants
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 79, most common first
Philadelphia VireoVireo philadelphicusPassage migrantUncommon11–13 cmRegularly May–Oct
Lapland LongspurCalcarius lapponicusWinter visitorUncommon15–16 cmRegularly Sep–Apr
Black-crowned Night-heronNycticorax nycticoraxSummer visitorUncommon58–65 cmRegularly Apr–Oct
Surf ScoterMelanitta perspicillataPassage migrantUncommon48–60 cmRegularly Oct–Apr
Eastern Screech-owlMegascops asioWinter visitorUncommon16–25 cmRegularly Jul–May
Common PheasantPhasianus colchicusResidentUncommon50–90 cmRecorded all year
Evening GrosbeakHesperiphona vespertinaWinter visitorUncommon16–22 cmRegularly Oct–May
DunlinCalidris alpinaPassage migrantUncommon16–22 cmRegularly Apr–Nov
Ruffed GrouseBonasa umbellusResidentUncommon41–50 cmRecorded all year
Glaucous GullLarus hyperboreusWinter visitorUncommon62–68 cmRegularly Nov–Apr
Forster's TernSterna forsteriSummer visitorUncommon33–36 cmRegularly Apr–Oct
Short-eared OwlAsio flammeusWinter visitorUncommon34–43 cmRegularly Oct–Apr
Snow GooseAnser caerulescensWinter visitorUncommon69–84 cmRegularly Sep–Apr
Peregrine FalconFalco peregrinusResidentUncommon34–58 cmRecorded all year
Red CrossbillLoxia curvirostraWinter visitorUncommon15–17 cmRegularly Jun–Apr
Baird's SandpiperCalidris bairdiiPassage migrantUncommon14–17 cmRegularly Jul–Sep
Vesper SparrowPooecetes gramineusSummer visitorUncommon13–17 cmRegularly Apr–Oct
Iceland GullLarus glaucoidesWinter visitorUncommon52–60 cmRegularly Oct–May
Virginia RailRallus limicolaSummer visitorUncommon20–27 cmRegularly Apr–Oct
Black-throated Blue WarblerSetophaga caerulescensSummer visitorUncommon11–13 cmRegularly May–Oct
Stilt SandpiperCalidris himantopusPassage migrantUncommon18–23 cmRegularly May–Sep
SanderlingCalidris albaSummer visitorUncommon18–20 cmRegularly May–Nov
Common TernSterna hirundoSummer visitorUncommon31–35 cmRegularly Apr–Oct
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