White-breasted Nuthatchs in Ontario
When white-breasted nuthatches are present in Ontario, when they nest, which native Ontario plants feed them, and how to host them in a Canadian zones 0a–7a yard.

- Status in Ontario
- Year-round resident
- Nesting window
- April–June
- Broods
- 1 per season
- Hardiness zones
- Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6)
- Nest box
- 1 1/4 in round hole, 4 × 4 in floor, 5–20 ft
When to expect white-breasted nuthatches in Ontario
White-breasted Nuthatchs live in Ontario all year. Cold, snowy winters; feeder flocks are dominated by chickadees, nuthatches, woodpeckers and finches. That makes the cold months the time your yard matters most to them: their winter diet shifts toward acorns, hickory nuts and seeds; sunflower, peanuts and suet at feeders.
Humid continental in the south, boreal and subarctic in the north; most backyard birding happens in the southern Great Lakes lowlands.
Nesting in Ontario
Across Ontario, white-breasted nuthatches typically nest from April–June. Nest site: natural cavities in large trees; occasionally nest boxes. Females lay 5–9 eggs, incubate for 13–14 days, and young leave the nest after 18–26 days.
Short, warm summers; Point Pelee and Long Point are continent-famous migration sites.
- Have boxes cleaned and mounted before March — white-breasted nuthatches begin prospecting ahead of egg-laying.
- Use a 1 1/4 in round entrance on a 4 × 4 in floor, mounted 5–20 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 Ontario plants that attract white-breasted nuthatches
Of the regional native plants we track for Ontario, these 8 provide food or cover white-breasted nuthatches use:
Insects, seeds and cavities.
Acorns in the south.
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.
Feeding white-breasted nuthatches through the Ontario year
Nuthatches grab a seed, fly to a crevice, and hammer it open — so feeders near mature, rough-barked trees get more visits.
- Best foods: Black-oil sunflower, Shelled peanuts, Suet.
- In Ontario's winter: Cold, snowy winters; feeder flocks are dominated by chickadees, nuthatches, woodpeckers and finches.
Full diet breakdown for white-breasted nuthatches · Best feeder for white-breasted nuthatches
Frequently asked
Are white-breasted nuthatches in Ontario year-round?
Yes. White-breasted Nuthatchs are year-round residents in Ontario.
When do white-breasted nuthatches nest in Ontario?
Nesting in Ontario typically runs April–June, with 1 per season. Clutches are 5–9 eggs, incubated for 13–14 days.
What native plants attract white-breasted nuthatches in Ontario?
Sugar maple, Oaks, Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry are native plants in Ontario that provide food or cover for white-breasted nuthatches.
What size birdhouse hole do white-breasted nuthatches need?
1 1/4 in round, with a floor of 4 × 4 in mounted 5–20 ft.
White-breasted Nuthatchs in other regions
Other backyard birds in Ontario
Sources
- White-breasted Nuthatch — All About Birds, Cornell Lab of Ornithology
- White-breasted Nuthatch life history — Cornell Lab of Ornithology
- White-breasted Nuthatch — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — Ontario
- Plant Hardiness Zones of Canada — Natural Resources Canada
- Audubon Native Plants Database
- Ontario Breeding Bird Atlas — Birds Canada
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.