
Based on 4,173 research-grade iNaturalist observations in Illinois, Wood Duck is most often recorded in April; in Illinois it behaves like a spring and fall migrant. It ranks #28 among birds recorded in the state in our data.
Aix sponsa
Wood Duck 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 April

American Robin
Canada Goose
Red-winged Blackbird

Mallard

Northern Cardinal

House Sparrow

Brown-headed Cowbird

Common Grackle
Places to look in Illinois
Cahokia
Botanical GardenMorton Arboretum
Shawnee National Forest
Chicago Botanic Garden
Ladd Arboretum
State ParkStarved Rock State Park
FAQ
When does Wood Duck appear in Illinois?
Mainly March–October, with the most records in April.
How common is Wood Duck in Illinois?
It ranks #28 by number of iNaturalist observations among birds in Illinois (4,173 records in our sample).