Thrushes (Turdidae)
Mountain Bluebird
Sialia currucoides. Insects caught by hover-hunting; berries in winter.
Thrushes (Turdidae)Mountain BluebirdSialia currucoides
- Scientific name
- Sialia currucoides
- Length
- 6.3–7.9 in
- Weight
- 1.1 oz
- Nest
- Cavity or nest box
- Entrance hole
- 1 9/16 in
- Clutch
- 4–8 eggs
- Incubation
- 13–14 days
- Broods
- 1–2 per season
Identification
- Male entirely sky blue
- Female grey with blue wings and tail
- Longer wings than other bluebirds
Voice
Soft 'few' calls.
Diet and feeding
Insects caught by hover-hunting; berries in winter.
What do mountain bluebirds eat? · Best feeder for mountain bluebirds
Mountain Bluebirds by state and province
| Region | Status | Nesting |
|---|---|---|
| Alaska | Summer breeder | June–July |
| Alberta | Summer breeder | June–July |
| Arizona | Year-round resident | April–July |
| British Columbia | Summer breeder | June–July |
| California | Summer breeder | April–July |
| Colorado | Year-round resident | May–July |
| Idaho | Summer breeder | May–July |
| Kansas | Winter visitor | — |
| Manitoba | Summer breeder | June–July |
| Montana | Summer breeder | June–July |
| Nebraska | Summer breeder | May–July |
| Nevada | Year-round resident | May–July |
| New Mexico | Year-round resident | May–July |
| North Dakota | Summer breeder | June–July |
| Oklahoma | Winter visitor | — |
| Oregon | Summer breeder | May–July |
| Saskatchewan | Summer breeder | June–July |
| South Dakota | Summer breeder | May–July |
| Texas | Winter visitor | — |
| Utah | Year-round resident | May–July |
| Washington | Summer breeder | May–July |
| Wyoming | Summer breeder | June–July |
| Yukon | Summer breeder | June–July |
Frequently asked
What do mountain bluebirds eat?
Insects caught by hover-hunting; berries in winter. At feeders: mealworms.
How big is a Mountain Bluebird?
6.3–7.9 in long and 1.1 oz.
Do mountain bluebirds use birdhouses?
Yes — a 1 9/16 in entrance, 5 × 5 in floor, mounted 5–10 ft.
Sources
- Mountain Bluebird — All About Birds, Cornell Lab of Ornithology
- Mountain Bluebird life history — Cornell Lab of Ornithology
- Mountain Bluebird — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
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.