Western Bluebirds in British Columbia
When western bluebirds are present in British Columbia, when they nest, which native British Columbia plants feed them, and how to host them in a Canada 1a–9a yard.
- Status in British Columbia
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- Canada 1a–9a
- Nest box
- 1 1/2 in hole, 5 × 5 in floor, 5–10 ft
When to expect western bluebirds in British Columbia
Western Bluebirds are summer residents in British Columbia, arriving shortly before nesting begins in May and leaving after the young are independent. Through the season they feed on beetles and grasshoppers.
Temperate rainforest on the coast, dry interior valleys and mountains, and boreal forest in the northeast.
Nesting in British Columbia
Across British Columbia, western bluebirds typically nest from May–July. Nest site: cavity or nest box. Females lay 2–8 eggs, incubate for 12–17 days, and young leave the nest after 19–25 days.
Dry, warm coastal summers; hot in the Okanagan.
- Have boxes cleaned and mounted before April — western bluebirds begin prospecting ahead of egg-laying.
- Use a 1 1/2 in entrance on a 5 × 5 in floor, mounted 5–10 ft.
- Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
- Clean out old nests after each brood and again after July.
Native British Columbia plants that attract western bluebirds
Of the regional native plants we track for British Columbia, these 8 provide food or cover western bluebirds use:
Red fruit heads hang on through winter.
Catkin seed feeds redpolls and siskins all winter.
Fast-growing northern cherry with midsummer fruit.
Dark summer fruit and heavy caterpillar load.
White fruit and red winter stems; good thicket cover.
Red fruit persists until late winter when other food is gone.
Berry-like cones feed bluebirds, solitaires and waxwings in winter.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Feeding western bluebirds through the British Columbia year
Uses 1 1/2 in nest boxes in open oak and pine woodland; boxes have helped recovery in the Pacific Northwest.
- Best foods: Mealworms, Suet nuggets.
- In British Columbia's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for western bluebirds · Best feeder for western bluebirds
Frequently asked
Are western bluebirds in British Columbia year-round?
No. Western Bluebirds are summer breeders in British Columbia and leave for the winter.
When do western bluebirds nest in British Columbia?
Nesting in British Columbia typically runs May–July, with 1–2 per season. Clutches are 2–8 eggs, incubated for 12–17 days.
What native plants attract western bluebirds in British Columbia?
Smooth sumac, Paper birch, Pin cherry, Chokecherry, Red-osier dogwood, Highbush cranberry, Rocky Mountain juniper, Ponderosa pine are native plants in British Columbia that provide food or cover for western bluebirds.
What size birdhouse hole do western bluebirds need?
1 1/2 in, with a floor of 5 × 5 in mounted 5–10 ft.
Western Bluebirds in other regions
Other backyard birds in British Columbia
Sources
- Western Bluebird — All About Birds, Cornell Lab of Ornithology
- Western Bluebird life history — Cornell Lab of Ornithology
- Western Bluebird — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — British Columbia
- 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.