Northern Saw-whet Owls in Utah
When saw-whet owls are present in Utah, when they nest, which native Utah plants feed them, and how to host them in a USDA 4a–9a yard.
- Status in Utah
- Year-round resident
- Nesting window
- March–June
- Broods
- 1–2 per season
- Hardiness zones
- USDA 4a–9a
- Nest box
- 2 1/2 in hole, 6 × 6 in floor, 10–20 ft
When to expect saw-whet owls in Utah
Northern Saw-whet Owls live in Utah all year. Cold winters with valley inversions; mountain birds descend to backyards. That makes the cold months the time your yard matters most to them.
Semi-arid to arid, with the Wasatch Range rising above the Great Basin and red-rock canyon country in the south.
Nesting in Utah
Across Utah, saw-whet owls typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Hot, dry summers.
- 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 Utah plants that attract saw-whet owls
Of the regional native plants we track for Utah, these 8 provide food or cover saw-whet owls use:
Insect-rich in fall and seed in winter.
Dark summer fruit and heavy caterpillar load.
Berry-like cones feed bluebirds, solitaires and waxwings in winter.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Acorns for jays and woodpeckers across the southern Rockies.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
Early catkins draw insects for arriving warblers and hummingbirds.
Feeding saw-whet owls through the Utah year
- Top foods: None — a saw-whet box in dense conifers is the draw.
- In Utah's winter: Cold winters with valley inversions; mountain birds descend to backyards.
Full diet breakdown for saw-whet owls · Best feeder for saw-whet owls
Frequently asked
Are saw-whet owls in Utah year-round?
Yes. Northern Saw-whet Owls are year-round residents in Utah.
When do saw-whet owls nest in Utah?
Nesting in Utah 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 Utah?
Tall goldenrod, Chokecherry, Rocky Mountain juniper, Ponderosa pine, Gambel oak, Rabbitbrush, Douglas fir, Willow (Bebb) are native plants in Utah 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 Utah
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 — Utah
- 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.