Eastern Bluebirds in Manitoba
When bluebirds are present in Manitoba, when they nest, which native Manitoba plants feed them, and how to host them in a Canada 1a–3b yard.
- Status in Manitoba
- Summer breeder
- Nesting window
- May–August
- Broods
- 1–3 per season
- Hardiness zones
- Canada 1a–3b
- Nest box
- 1 1/2 in round (1 9/16 in for Mountain/Western overlap) hole, 5 × 5 in floor, 4–6 ft on a baffled pole
- Range note
- Southern Manitoba.
When to expect bluebirds in Manitoba
Eastern Bluebirds are summer residents in Manitoba, arriving shortly before nesting begins in May and leaving after the young are independent. Southern Manitoba. Through the season they feed on grasshoppers, crickets and beetles; caterpillars and spiders.
Continental, from prairie in the southwest to boreal forest and Hudson Bay tundra in the north.
Nesting in Manitoba
Across Manitoba, bluebirds typically nest from May–August. Nest site: secondary cavity nester — old woodpecker holes and nest boxes in open habitat. Females lay 2–7 eggs, incubate for 11–19 days, and young leave the nest after 15–20 days.
Warm summers with a short, intense nesting season.
- Have boxes cleaned and mounted before April — bluebirds begin prospecting ahead of egg-laying.
- Use a 1 1/2 in round (1 9/16 in for Mountain/Western overlap) entrance on a 5 × 5 in floor, mounted 4–6 ft on a baffled pole.
- Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
- Clean out old nests after each brood and again after August.
Native Manitoba plants that attract bluebirds
Of the regional native plants we track for Manitoba, these 8 provide food or cover bluebirds use:
Red fruit heads hang on through winter.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Late-summer berry clusters taken by over 40 bird species.
Blue fruit on red stems in early fall.
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Seed-rich cones and year-round shelter.
Catkin seed feeds redpolls and siskins all winter.
Feeding bluebirds through the Manitoba year
Bluebirds hunt from perches over short grass. Put mealworm feeders in the open, near a low perch, and offer small amounts at the same time each day.
- Best foods: Live or dried mealworms, Suet nuggets / insect-suet dough, Chopped native fruit.
- Avoid: Loose seed mixes — bluebirds rarely eat seed.
- In Manitoba's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for bluebirds · Best feeder for bluebirds
Frequently asked
Are bluebirds in Manitoba year-round?
No. Eastern Bluebirds are summer breeders in Manitoba and leave for the winter. Southern Manitoba.
When do bluebirds nest in Manitoba?
Nesting in Manitoba typically runs May–August, with 1–3 per season. Clutches are 2–7 eggs, incubated for 11–19 days.
What native plants attract bluebirds in Manitoba?
Smooth sumac, Bur oak, American elderberry, Virginia creeper, New England aster, Tall goldenrod, Eastern white pine, Paper birch are native plants in Manitoba that provide food or cover for bluebirds.
What size birdhouse hole do bluebirds need?
1 1/2 in round (1 9/16 in for Mountain/Western overlap), with a floor of 5 × 5 in mounted 4–6 ft on a baffled pole.
Eastern Bluebirds in other regions
Other backyard birds in Manitoba
Sources
- Eastern Bluebird — All About Birds, Cornell Lab of Ornithology
- Eastern Bluebird life history — Cornell Lab of Ornithology
- Eastern Bluebird — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — Manitoba
- 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.