Common Birds in Illinois
Our list for Illinois has 76 common birds recorded regularly there: 23 residents, 20 summer visitors, 19 winter visitors and 14 passage migrants
Most likely in October
GBIF · Oct
Share of all bird records in Illinois in October, 2019–2024. Each month links to that month’s page.
All 76, most common first
Willow FlycatcherEmpidonax trailliiSummer visitorCommon13–17 cmRegularly May–Aug
Least FlycatcherEmpidonax minimusPassage migrantCommon12–14 cmRegularly Apr–Sep
Chestnut-sided WarblerSetophaga pensylvanicaPassage migrantCommon10–14 cmRegularly May–Oct
Solitary SandpiperTringa solitariaPassage migrantCommon19–23 cmRegularly Apr–Oct
Yellow-bellied SapsuckerSphyrapicus variusWinter visitorCommon19–22 cmRegularly Sep–May
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Aug–Apr
Pine SiskinSpinus pinusWinter visitorCommon11–14 cmRegularly Sep–May
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