Red-eyed Vireos in Illinois
When red-eyed vireos are present in Illinois, when they nest, which native Illinois plants feed them, and how to host them in a USDA 5a–7b yard.
- Status in Illinois
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 5a–7b
When to expect red-eyed vireos in Illinois
Red-eyed Vireos are summer residents in Illinois, arriving shortly before nesting begins in May and leaving after the young are independent.
Humid continental, grading from the Lake Michigan shore and prairie north to the forested Shawnee Hills in the south.
Nesting in Illinois
Across Illinois, red-eyed vireos typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Hot, humid summers; much of the state is farmland, so backyard native plantings matter.
- Red-eyed Vireos don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, eastern red cedar, serviceberry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Illinois plants that attract red-eyed vireos
Of the regional native plants we track for Illinois, these 8 provide food or cover red-eyed vireos use:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Dense evergreen roost cover and bluish 'berries' eaten through winter.
Early-summer berries arrive exactly when nestlings are being fed.
Deciduous holly holding red fruit into mid-winter.
Fruit clusters persist all winter as emergency food.
Red fruit heads hang on through winter.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Feeding red-eyed vireos through the Illinois year
- Top foods: None — mature deciduous trees are the draw.
- In Illinois's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for red-eyed vireos · Best feeder for red-eyed vireos
Frequently asked
Are red-eyed vireos in Illinois year-round?
No. Red-eyed Vireos are summer breeders in Illinois and leave for the winter.
When do red-eyed vireos nest in Illinois?
Nesting in Illinois typically runs May–July, with 1–2 per season. Clutches are 3–5 eggs, incubated for 11–15 days.
What native plants attract red-eyed vireos in Illinois?
Flowering dogwood, Eastern red cedar, Serviceberry, Winterberry, Staghorn sumac, Smooth sumac, White oak, Bur oak are native plants in Illinois that provide food or cover for red-eyed vireos.
Red-eyed Vireos in other regions
Other backyard birds in Illinois
Sources
- Red-eyed Vireo — All About Birds, Cornell Lab of Ornithology
- Red-eyed Vireo life history — Cornell Lab of Ornithology
- Red-eyed Vireo — Audubon Guide to North American Birds
- eBird region overview and bar charts — Illinois
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.