Least Flycatchers in Alberta
When least flycatchers 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
- June–July
- Broods
- 1 per season
- Hardiness zones
- Canada 2a–4b
When to expect least flycatchers in Alberta
Least Flycatchers are summer residents in Alberta, arriving shortly before nesting begins in June 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, least flycatchers typically nest from June–July. Plan around that window: May for setup, July for clean-out.
Warm, sunny summers with long days.
- Least Flycatchers 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 least flycatchers
Of the regional native plants we track for Alberta, these 8 provide food or cover least flycatchers 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 least flycatchers through the Alberta year
- Top foods: None — shady second-growth woods are the draw.
- In Alberta's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for least flycatchers · Best feeder for least flycatchers
Frequently asked
Are least flycatchers in Alberta year-round?
No. Least Flycatchers are summer breeders in Alberta and leave for the winter.
When do least flycatchers nest in Alberta?
Nesting in Alberta typically runs June–July, with 1 per season. Clutches are 3–6 eggs, incubated for 13–15 days.
What native plants attract least flycatchers 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 least flycatchers.
Least Flycatchers in other regions
Other backyard birds in Alberta
Sources
- Least Flycatcher — All About Birds, Cornell Lab of Ornithology
- Least Flycatcher life history — Cornell Lab of Ornithology
- Least Flycatcher — 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.