Montana · Year-round resident

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.

Blackbirds (Icteridae)Brewer's BlackbirdEuphagus cyanocephalus
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:

Bur oak
Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

Wild bergamot
Monarda fistulosa · Perennial

Tubular flowers for hummingbirds and seed heads for finches.

Black-eyed Susan
Rudbeckia hirta · Perennial

Prolific seed heads for finches and sparrows.

Common sunflower
Helianthus annuus · Perennial

Annual native sunflower — the original feeder seed.

Little bluestem
Schizachyrium scoparium · Perennial

Native bunchgrass; winter seed and ground cover for sparrows and juncos.

Tall goldenrod
Solidago altissima · Perennial

Insect-rich in fall and seed in winter.

Paper birch
Betula papyrifera · Tree

Catkin seed feeds redpolls and siskins all winter.

Chokecherry
Prunus virginiana · Shrub

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

Black-capped ChickadeeDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchWhite-breasted NuthatchHouse WrenHouse FinchMourning DoveAmerican RobinDark-eyed JuncoSong SparrowChipping SparrowNorthern FlickerPileated WoodpeckerRed-headed WoodpeckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleEvening GrosbeakPine SiskinCommon RedpollGray CatbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowYellow-rumped WarblerEastern Screech-OwlEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingSteller's JayBlack-billed MagpieCanada JayMountain ChickadeeChestnut-backed ChickadeePygmy NuthatchBlack-chinned HummingbirdRufous HummingbirdCassin's FinchSpotted TowheeWestern BluebirdMountain BluebirdSay's PhoebeWhite-crowned SparrowFox SparrowVaried ThrushViolet-green SwallowBlack-headed GrosbeakLazuli BuntingBullock's OrioleEurasian Collared-DoveAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkGreat Horned OwlAmerican KestrelWild TurkeyMallardGreat Blue HeronBelted KingfisherBrown-headed CowbirdRuby-crowned KingletGolden-crowned KingletHermit ThrushPine GrosbeakRed CrossbillGray CatbirdWestern TanagerBlack-throated SparrowLark SparrowGreen-tailed TowheePinyon JayClark's NutcrackerWestern Screech-OwlHooded MerganserBand-tailed PigeonYellow WarblerCommon YellowthroatAmerican RedstartYellow-breasted ChatOrange-crowned WarblerRed-eyed VireoWarbling VireoLeast FlycatcherWestern KingbirdAsh-throated FlycatcherCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkCanada GooseAmerican CootKilldeerSpotted SandpiperBlack-crowned Night HeronTurkey VultureOspreyBald EagleMerlinPeregrine FalconNorthern Saw-whet OwlBurrowing OwlLewis's WoodpeckerBlack-backed WoodpeckerAmerican Three-toed WoodpeckerSavannah SparrowVesper SparrowSnow BuntingLapland LongspurHorned LarkCommon RedpollHoary RedpollWhite-winged CrossbillGray-crowned Rosy-FinchBohemian WaxwingBobolinkYellow-headed BlackbirdRock Pigeon

Sources

  1. Brewer's Blackbird — All About Birds, Cornell Lab of Ornithology
  2. Brewer's Blackbird life history — Cornell Lab of Ornithology
  3. Brewer's Blackbird — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Montana
  5. USDA Plant Hardiness Zone Map (2023)
  6. 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.