Northern Rough-winged Swallows in Alberta
When northern rough-winged swallows are present in Alberta, when they nest, which native Alberta plants feed them, and how to host them in a Canada 2a–4b yard.
- Status in Alberta
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- Canada 2a–4b
When to expect northern rough-winged swallows in Alberta
Northern Rough-winged Swallows are summer residents in Alberta, arriving shortly before nesting begins in May and leaving after the young are independent.
Continental — prairie in the southeast, aspen parkland in the center, boreal forest in the north and the Rockies in the west.
Nesting in Alberta
Across Alberta, northern rough-winged swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Warm, sunny summers with long days.
- Northern Rough-winged Swallows don't use nest boxes. Keep dense native shrubs and trees such as paper birch, chokecherry, rabbitbrush for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Alberta plants that attract northern rough-winged swallows
Of the regional native plants we track for Alberta, these 8 provide food or cover northern rough-winged swallows use:
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
Spruce-budworm habitat and dense winter roosting cover.
Cone crops drive winter irruptions of finches and crossbills.
Deciduous conifer with small cones for siskins and redpolls.
Early catkins draw insects for arriving warblers and hummingbirds.
Feeding northern rough-winged swallows through the Alberta year
- Top foods: None — open water and earth banks are the draw.
- In Alberta's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for northern rough-winged swallows · Best feeder for northern rough-winged swallows
Frequently asked
Are northern rough-winged swallows in Alberta year-round?
No. Northern Rough-winged Swallows are summer breeders in Alberta and leave for the winter.
When do northern rough-winged swallows nest in Alberta?
Nesting in Alberta typically runs May–July, with 1–2 per season. Clutches are 4–8 eggs, incubated for 12–16 days.
What native plants attract northern rough-winged swallows in Alberta?
Paper birch, Chokecherry, Rabbitbrush, Douglas fir, Balsam fir, White spruce, Tamarack, Willow (Bebb) are native plants in Alberta that provide food or cover for northern rough-winged swallows.
Northern Rough-winged Swallows in other regions
Other backyard birds in Alberta
Sources
- Northern Rough-winged Swallow — All About Birds, Cornell Lab of Ornithology
- Northern Rough-winged Swallow life history — Cornell Lab of Ornithology
- Northern Rough-winged Swallow — Audubon Guide to North American Birds
- eBird region overview and bar charts — Alberta
- 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.