Indigo Buntings in New Brunswick
When indigo buntings 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–August
- Broods
- 1–3 per season
- Hardiness zones
- Canada 3a–5b
When to expect indigo buntings in New Brunswick
Indigo Buntings 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 caterpillars, grasshoppers and beetles.
Humid continental with Bay of Fundy and Gulf of St. Lawrence coastlines and extensive forest.
Nesting in New Brunswick
Across New Brunswick, indigo buntings typically nest from June–August. Nest site: cup in dense shrubs near the ground. Females lay 3–4 eggs, incubate for 12–14 days, and young leave the nest after 8–14 days.
Mild summers.
- Indigo Buntings don't use nest boxes. Keep dense native shrubs and trees such as serviceberry, bur oak, black cherry for nest sites.
- Delay heavy pruning of shrubs until after August.
Native New Brunswick plants that attract indigo buntings
Of the regional native plants we track for New Brunswick, these 8 provide food or cover indigo buntings 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.
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.
Feeding indigo buntings through the New Brunswick year
Migrates at night by the stars; males sing from utility lines along brushy edges all summer.
- Best foods: Nyjer, Millet, Hulled sunflower.
- In New Brunswick's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for indigo buntings · Best feeder for indigo buntings
Frequently asked
Are indigo buntings in New Brunswick year-round?
No. Indigo Buntings are summer breeders in New Brunswick and leave for the winter.
When do indigo buntings nest in New Brunswick?
Nesting in New Brunswick typically runs June–August, with 1–3 per season. Clutches are 3–4 eggs, incubated for 12–14 days.
What native plants attract indigo buntings in New Brunswick?
Serviceberry, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, Black-eyed Susan, New England aster, Little bluestem are native plants in New Brunswick that provide food or cover for indigo buntings.
Indigo Buntings in other regions
Other backyard birds in New Brunswick
Sources
- Indigo Bunting — All About Birds, Cornell Lab of Ornithology
- Indigo Bunting life history — Cornell Lab of Ornithology
- Indigo Bunting — 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.