Brewer's Blackbirds in Montana
When Brewer's blackbirds are present in Montana, when they nest, which native Montana plants feed them, and how to host them in a USDA 3a–6a yard.
- Status in Montana
- Year-round resident
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3a–6a
When to expect Brewer's blackbirds in Montana
Brewer's Blackbirds live in Montana all year. Very cold winters on the plains, with chinook winds bringing sudden thaws. That makes the cold months the time your yard matters most to them.
Continental — Rocky Mountain forest in the west, semi-arid Great Plains in the east.
Nesting in Montana
Across Montana, Brewer's blackbirds typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Warm, dry summers and a short growing season.
- Brewer's Blackbirds don't use nest boxes. Keep dense native shrubs and trees such as bur oak, paper birch, chokecherry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Montana plants that attract Brewer's blackbirds
Of the regional native plants we track for Montana, these 8 provide food or cover Brewer's blackbirds use:
Drought-hardy prairie oak with large acorns and a heavy insect load.
Tubular flowers for hummingbirds and seed heads for finches.
Prolific seed heads for finches and sparrows.
Annual native sunflower — the original feeder seed.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Feeding Brewer's blackbirds through the Montana year
- Top foods: Cracked corn, Millet.
- In Montana's winter: Very cold winters on the plains, with chinook winds bringing sudden thaws.
Full diet breakdown for Brewer's blackbirds · Best feeder for Brewer's blackbirds
Frequently asked
Are Brewer's blackbirds in Montana year-round?
Yes. Brewer's Blackbirds are year-round residents in Montana.
When do Brewer's blackbirds nest in Montana?
Nesting in Montana typically runs May–July, with 1–2 per season. Clutches are 3–7 eggs, incubated for 11–17 days.
What native plants attract Brewer's blackbirds in Montana?
Bur oak, Wild bergamot, Black-eyed Susan, Common sunflower, Little bluestem, Tall goldenrod, Paper birch, Chokecherry are native plants in Montana that provide food or cover for Brewer's blackbirds.
Brewer's Blackbirds in other regions
Other backyard birds in Montana
Sources
- Brewer's Blackbird — All About Birds, Cornell Lab of Ornithology
- Brewer's Blackbird life history — Cornell Lab of Ornithology
- Brewer's Blackbird — Audubon Guide to North American Birds
- eBird region overview and bar charts — Montana
- 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.