Northern Saw-whet Owls in Michigan
When saw-whet owls are present in Michigan, when they nest, which native Michigan plants feed them, and how to host them in a USDA 4a–6b yard.
- Status in Michigan
- Year-round resident
- Nesting window
- March–June
- Broods
- 1–2 per season
- Hardiness zones
- USDA 4a–6b
- Nest box
- 2 1/2 in hole, 6 × 6 in floor, 10–20 ft
When to expect saw-whet owls in Michigan
Northern Saw-whet Owls live in Michigan all year. Lake-effect snow and long cold spells; Purple Finches breed in the north and winter farther south. That makes the cold months the time your yard matters most to them.
Humid continental, strongly shaped by the Great Lakes; colder and snowier in the Upper Peninsula.
Nesting in Michigan
Across Michigan, saw-whet owls typically nest from March–June. Plan around that window: February for setup, June for clean-out.
A compressed nesting season; bluebirds usually manage one or two broods.
- Have boxes cleaned and mounted before February — saw-whet owls begin prospecting ahead of egg-laying.
- Use a 2 1/2 in entrance on a 6 × 6 in floor, mounted 10–20 ft.
- Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
- Clean out old nests after each brood and again after June.
Native Michigan plants that attract saw-whet owls
Of the regional native plants we track for Michigan, these 8 provide food or cover saw-whet owls use:
Seeds and dense winter shelter.
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.
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.
Feeding saw-whet owls through the Michigan year
- Top foods: None — a saw-whet box in dense conifers is the draw.
- In Michigan's winter: Lake-effect snow and long cold spells; Purple Finches breed in the north and winter farther south.
Full diet breakdown for saw-whet owls · Best feeder for saw-whet owls
Frequently asked
Are saw-whet owls in Michigan year-round?
Yes. Northern Saw-whet Owls are year-round residents in Michigan.
When do saw-whet owls nest in Michigan?
Nesting in Michigan typically runs March–June, with 1–2 per season. Clutches are 4–7 eggs, incubated for 27–29 days.
What native plants attract saw-whet owls in Michigan?
Eastern hemlock, Flowering dogwood, Eastern red cedar, Serviceberry, White oak, Bur oak, Black cherry, American elderberry are native plants in Michigan that provide food or cover for saw-whet owls.
What size birdhouse hole do saw-whet owls need?
2 1/2 in, with a floor of 6 × 6 in mounted 10–20 ft.
Northern Saw-whet Owls in other regions
Other backyard birds in Michigan
Sources
- Northern Saw-whet Owl — All About Birds, Cornell Lab of Ornithology
- Northern Saw-whet Owl life history — Cornell Lab of Ornithology
- Northern Saw-whet Owl — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — Michigan
- 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.