White-breasted Nuthatchs in New Brunswick
When white-breasted nuthatches are present in New Brunswick, when they nest, which native New Brunswick plants feed them, and how to host them in a Canada 3a–5b yard.

- Status in New Brunswick
- Year-round resident
- Nesting window
- May–June
- Broods
- 1 per season
- Hardiness zones
- Canada 3a–5b
- Nest box
- 1 1/4 in round hole, 4 × 4 in floor, 5–20 ft
When to expect white-breasted nuthatches in New Brunswick
White-breasted Nuthatchs live in New Brunswick all year. Cold, snowy winters. 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 with Bay of Fundy and Gulf of St. Lawrence coastlines and extensive forest.
Nesting in New Brunswick
Across New Brunswick, white-breasted nuthatches typically nest from May–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.
Mild summers.
- Have boxes cleaned and mounted before April — 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 New Brunswick plants that attract white-breasted nuthatches
Of the regional native plants we track for New Brunswick, these 8 provide food or cover white-breasted nuthatches use:
Early-summer berries arrive exactly when nestlings are being fed.
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.
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Seed-rich cones and year-round shelter.
Feeding white-breasted nuthatches through the New Brunswick 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 New Brunswick's winter: Cold, snowy winters.
Full diet breakdown for white-breasted nuthatches · Best feeder for white-breasted nuthatches
Frequently asked
Are white-breasted nuthatches in New Brunswick year-round?
Yes. White-breasted Nuthatchs are year-round residents in New Brunswick.
When do white-breasted nuthatches nest in New Brunswick?
Nesting in New Brunswick typically runs May–June, with 1 per season. Clutches are 5–9 eggs, incubated for 13–14 days.
What native plants attract white-breasted nuthatches in New Brunswick?
Serviceberry, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, New England aster, Tall goldenrod, Eastern white pine are native plants in New Brunswick 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 New Brunswick
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 — New Brunswick
- Plant Hardiness Zones of Canada — Natural Resources Canada
- 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.