Mountain Bluebirds in New Mexico
When mountain bluebirds are present in New Mexico, when they nest, which native New Mexico plants feed them, and how to host them in a USDA 4b–9a yard.
- Status in New Mexico
- Year-round resident
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 4b–9a
- Nest box
- 1 9/16 in hole, 5 × 5 in floor, 5–10 ft
When to expect mountain bluebirds in New Mexico
Mountain Bluebirds live in New Mexico all year. Cold nights and sunny days; many desert and mountain birds move to lower elevations. That makes the cold months the time your yard matters most to them: their winter diet shifts toward juniper berries.
Arid to semi-arid, with Chihuahuan desert in the south and mountain forest above 7,000 ft.
Nesting in New Mexico
Across New Mexico, mountain bluebirds typically nest from May–July. Nest site: cavity or nest box. Females lay 4–8 eggs, incubate for 13–14 days, and young leave the nest after 17–21 days.
Hot, dry early summer followed by the July–August monsoon.
- Have boxes cleaned and mounted before April — mountain bluebirds begin prospecting ahead of egg-laying.
- Use a 1 9/16 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 New Mexico plants that attract mountain bluebirds
Of the regional native plants we track for New Mexico, these 8 provide food or cover mountain bluebirds use:
Red fruit heads hang on through winter.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue fruit on red stems in early fall.
Insect-rich in fall and seed in winter.
Dark summer fruit and heavy caterpillar load.
White fruit and red winter stems; good thicket cover.
Berry-like cones feed bluebirds, solitaires and waxwings in winter.
Feeding mountain bluebirds through the New Mexico year
Nests at high elevations in open country; takes nest boxes on fence lines.
- Best foods: Mealworms.
- In New Mexico's winter: Cold nights and sunny days; many desert and mountain birds move to lower elevations.
Full diet breakdown for mountain bluebirds · Best feeder for mountain bluebirds
Frequently asked
Are mountain bluebirds in New Mexico year-round?
Yes. Mountain Bluebirds are year-round residents in New Mexico.
When do mountain bluebirds nest in New Mexico?
Nesting in New Mexico typically runs May–July, with 1–2 per season. Clutches are 4–8 eggs, incubated for 13–14 days.
What native plants attract mountain bluebirds in New Mexico?
Smooth sumac, Black cherry, American elderberry, Virginia creeper, Tall goldenrod, Chokecherry, Red-osier dogwood, Rocky Mountain juniper are native plants in New Mexico that provide food or cover for mountain bluebirds.
What size birdhouse hole do mountain bluebirds need?
1 9/16 in, with a floor of 5 × 5 in mounted 5–10 ft.
Mountain Bluebirds in other regions
Other backyard birds in New Mexico
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
- eBird region overview and bar charts — New Mexico
- USDA Plant Hardiness Zone Map (2023)
- 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.