Based on 3,645 research-grade iNaturalist observations in Illinois, Yellow-rumped Warbler is most often recorded in October; in Illinois it behaves like a spring and fall migrant. It ranks #31 among birds recorded in the state in our data.
Setophaga coronata
Yellow-rumped Warbler in Illinois by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Illinois in October
House Sparrow
Canada Goose
Great Blue Heron
Mallard
Dark-eyed Junco
White-throated Sparrow
Red-tailed Hawk
White-crowned Sparrow
Places to look in Illinois
State ParkCahokia
Botanical GardenMorton Arboretum
National ForestShawnee National Forest
Botanical GardenChicago Botanic Garden
Botanical GardenLadd Arboretum
State ParkStarved Rock State Park
FAQ
When does Yellow-rumped Warbler appear in Illinois?
Mainly September–October, with the most records in October.
How common is Yellow-rumped Warbler in Illinois?
It ranks #31 by number of iNaturalist observations among birds in Illinois (3,645 records in our sample).