Merlins in Illinois
When merlins 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
- Winter visitor
- Nesting window
- Does not typically nest here
- Hardiness zones
- USDA 5a–7b
When to expect merlins in Illinois
In Illinois, merlins are winter visitors rather than breeders. Cold, windy winters in the north; the southern tip is milder and hosts more wintering species.
Humid continental, grading from the Lake Michigan shore and prairie north to the forested Shawnee Hills in the south.
Native Illinois plants that attract merlins
Of the regional native plants we track for Illinois, these 8 provide food or cover merlins use:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue-black fall fruit and dense nesting cover.
Lipid-rich red fruit fuels fall migrants.
Feeding merlins through the Illinois year
- Top foods: None — it hunts the birds your feeders attract.
- In Illinois's winter: Cold, windy winters in the north; the southern tip is milder and hosts more wintering species.
Frequently asked
Are merlins in Illinois year-round?
No. Merlins are winter visitors in Illinois and do not typically nest there.
What native plants attract merlins in Illinois?
Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush are native plants in Illinois that provide food or cover for merlins.
Merlins in other regions
Other backyard birds in Illinois
Sources
- Merlin — All About Birds, Cornell Lab of Ornithology
- Merlin life history — Cornell Lab of Ornithology
- Merlin — 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.