Dark-eyed Juncos in New Brunswick
When juncos 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
- June–July
- Broods
- 1–3 per season
- Hardiness zones
- Canada 3a–5b
When to expect juncos in New Brunswick
Dark-eyed Juncos 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 grass and weed seeds.
Humid continental with Bay of Fundy and Gulf of St. Lawrence coastlines and extensive forest.
Nesting in New Brunswick
Across New Brunswick, juncos typically nest from June–July. Nest site: cup on the ground, hidden under roots, banks or overhangs. Females lay 3–5 eggs, incubate for 11–13 days, and young leave the nest after 9–13 days.
Mild summers.
- Dark-eyed Juncos don't use nest boxes. Keep dense native shrubs and trees such as paper birch, sugar maple, red maple for nest sites.
- Delay heavy pruning of shrubs until after July.
Native New Brunswick plants that attract juncos
Of the regional native plants we track for New Brunswick, these 8 provide food or cover juncos use:
Prolific seed heads for finches and sparrows.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Hosts hundreds of caterpillar species; spring flowers draw early insects.
Among the first spring bloomers; early insects for returning migrants.
Early catkins draw insects for arriving warblers and hummingbirds.
Feeding juncos through the New Brunswick year
Juncos are 'snowbirds' — they feed on the ground beneath feeders and are a sure sign winter has arrived in the south.
- Best foods: White proso millet, Hulled sunflower, Cracked corn.
- In New Brunswick's winter: Cold, snowy winters.
Frequently asked
Are juncos in New Brunswick year-round?
Yes. Dark-eyed Juncos are year-round residents in New Brunswick.
When do juncos nest in New Brunswick?
Nesting in New Brunswick typically runs June–July, with 1–3 per season. Clutches are 3–5 eggs, incubated for 11–13 days.
What native plants attract juncos in New Brunswick?
Black-eyed Susan, New England aster, Little bluestem, Tall goldenrod, Paper birch, Sugar maple, Red maple, Willow (Bebb) are native plants in New Brunswick that provide food or cover for juncos.
Dark-eyed Juncos in other regions
Other backyard birds in New Brunswick
Sources
- Dark-eyed Junco — All About Birds, Cornell Lab of Ornithology
- Dark-eyed Junco life history — Cornell Lab of Ornithology
- Dark-eyed Junco — 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.