Yellow-rumped Warblers in Ontario
When yellow-rumped warblers are present in Ontario, when they nest, which native Ontario plants feed them, and how to host them in a Canadian zones 0a–7a yard.
- Status in Ontario
- Summer breeder
- Nesting window
- June–July
- Broods
- 1–2 per season
- Hardiness zones
- Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6)
When to expect yellow-rumped warblers in Ontario
Yellow-rumped Warblers are summer residents in Ontario, 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 in the south, boreal and subarctic in the north; most backyard birding happens in the southern Great Lakes lowlands.
Nesting in Ontario
Across Ontario, 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.
Short, warm summers; Point Pelee and Long Point are continent-famous migration sites.
- Yellow-rumped Warblers don't use nest boxes. Keep dense native shrubs and trees such as red-osier dogwood, sugar maple, flowering dogwood for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Ontario plants that attract yellow-rumped warblers
Of the regional native plants we track for Ontario, these 8 provide food or cover yellow-rumped warblers use:
Fruit and cover.
Insects, seeds and cavities.
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Dense evergreen roost cover and bluish 'berries' eaten through winter.
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.
Red fruit heads hang on through winter.
Feeding yellow-rumped warblers through the Ontario year
The warbler most likely at a winter feeder; suet and wax myrtle bring them in.
- Best foods: Suet, Hulled sunflower.
- In Ontario'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 Ontario year-round?
No. Yellow-rumped Warblers are summer breeders in Ontario and leave for the winter.
When do yellow-rumped warblers nest in Ontario?
Nesting in Ontario 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 Ontario?
Red-osier dogwood, Sugar maple, Flowering dogwood, Eastern red cedar, Serviceberry, Winterberry, Staghorn sumac, Smooth sumac are native plants in Ontario that provide food or cover for yellow-rumped warblers.
Yellow-rumped Warblers in other regions
Other backyard birds in Ontario
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 — Ontario
- Plant Hardiness Zones of Canada — Natural Resources Canada
- Audubon Native Plants Database
- Ontario Breeding Bird Atlas — Birds Canada
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.