Yellow-rumped Warblers in New Brunswick
When yellow-rumped warblers 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 yellow-rumped warblers in New Brunswick
Yellow-rumped Warblers 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 and flies.
Humid continental with Bay of Fundy and Gulf of St. Lawrence coastlines and extensive forest.
Nesting in New Brunswick
Across New Brunswick, yellow-rumped warblers typically nest from June–July. Nest site: cup on a horizontal conifer branch. Females lay 1–6 eggs, incubate for 12–13 days, and young leave the nest after 10–14 days.
Mild summers.
- Yellow-rumped Warblers 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 yellow-rumped warblers
Of the regional native plants we track for New Brunswick, these 8 provide food or cover yellow-rumped warblers 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.
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.
Blue fruit on red stems in early fall.
Feeding yellow-rumped warblers through the New Brunswick year
The warbler most likely at a winter feeder; suet and wax myrtle bring them in.
- Best foods: Suet, Hulled sunflower.
- In New Brunswick's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for yellow-rumped warblers · Best feeder for yellow-rumped warblers
Frequently asked
Are yellow-rumped warblers in New Brunswick year-round?
No. Yellow-rumped Warblers are summer breeders in New Brunswick and leave for the winter.
When do yellow-rumped warblers nest in New Brunswick?
Nesting in New Brunswick typically runs June–July, with 1–2 per season. Clutches are 1–6 eggs, incubated for 12–13 days.
What native plants attract yellow-rumped warblers in New Brunswick?
Serviceberry, Winterberry, Staghorn sumac, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, Virginia creeper are native plants in New Brunswick that provide food or cover for yellow-rumped warblers.
Yellow-rumped Warblers in other regions
Other backyard birds in New Brunswick
Sources
- Yellow-rumped Warbler — All About Birds, Cornell Lab of Ornithology
- Yellow-rumped Warbler life history — Cornell Lab of Ornithology
- Yellow-rumped Warbler — 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.