White-throated Sparrows in New Brunswick
When white-throated sparrows 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
- Summer breeder
- Nesting window
- June–July
- Broods
- 1–2 per season
- Hardiness zones
- Canada 3a–5b
When to expect white-throated sparrows in New Brunswick
White-throated Sparrows are summer residents in New Brunswick, arriving shortly before nesting begins in June and leaving after the young are independent. Through the season they feed on insects from the forest floor.
Humid continental with Bay of Fundy and Gulf of St. Lawrence coastlines and extensive forest.
Nesting in New Brunswick
Across New Brunswick, white-throated sparrows typically nest from June–July. Nest site: cup on or near the ground in forest openings and bogs. Females lay 3–5 eggs, incubate for 11–14 days, and young leave the nest after 7–12 days.
Mild summers.
- White-throated Sparrows don't use nest boxes. Keep dense native shrubs and trees such as serviceberry, winterberry, staghorn sumac for nest sites.
- Delay heavy pruning of shrubs until after July.
Native New Brunswick plants that attract white-throated sparrows
Of the regional native plants we track for New Brunswick, these 8 provide food or cover white-throated sparrows use:
Early-summer berries arrive exactly when nestlings are being fed.
Deciduous holly holding red fruit into mid-winter.
Fruit clusters persist all winter as emergency food.
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.
Blue fruit on red stems in early fall.
Prolific seed heads for finches and sparrows.
Feeding white-throated sparrows through the New Brunswick year
White-throats scratch under feeders near thickets; brush piles hold them all winter.
- Best foods: Millet, Hulled sunflower, Cracked corn.
- In New Brunswick's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for white-throated sparrows · Best feeder for white-throated sparrows
Frequently asked
Are white-throated sparrows in New Brunswick year-round?
No. White-throated Sparrows are summer breeders in New Brunswick and leave for the winter.
When do white-throated sparrows nest in New Brunswick?
Nesting in New Brunswick typically runs June–July, with 1–2 per season. Clutches are 3–5 eggs, incubated for 11–14 days.
What native plants attract white-throated sparrows in New Brunswick?
Serviceberry, Winterberry, Staghorn sumac, Black cherry, American elderberry, Arrowwood viburnum, Virginia creeper, Black-eyed Susan are native plants in New Brunswick that provide food or cover for white-throated sparrows.
White-throated Sparrows in other regions
Other backyard birds in New Brunswick
Sources
- White-throated Sparrow — All About Birds, Cornell Lab of Ornithology
- White-throated Sparrow life history — Cornell Lab of Ornithology
- White-throated Sparrow — Audubon Guide to North American Birds
- 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.