Colorado · Year-round resident

Brewer's Blackbirds in Colorado

When Brewer's blackbirds are present in Colorado, when they nest, which native Colorado plants feed them, and how to host them in a USDA 3a–7b yard.

Blackbirds (Icteridae)Brewer's BlackbirdEuphagus cyanocephalus
Status in Colorado
Year-round resident
Nesting window
April–July
Broods
1–2 per season
Hardiness zones
USDA 3a–7b

When to expect Brewer's blackbirds in Colorado

Brewer's Blackbirds live in Colorado all year. Cold snaps alternate with sunny, dry thaws; heated baths are valuable because natural water freezes nightly. That makes the cold months the time your yard matters most to them.

Semi-arid high plains in the east and the Rocky Mountains through the center, with most backyards between 5,000 and 7,000 ft.

Nesting in Colorado

Across Colorado, Brewer's blackbirds typically nest from April–July. Plan around that window: March for setup, July for clean-out.

Warm, dry days and cool nights; afternoon storms are common in July and August.

  • Brewer's Blackbirds don't use nest boxes. Keep dense native shrubs and trees such as chokecherry, ponderosa pine for nest sites.
  • Delay heavy pruning of shrubs until after July.

Native Colorado plants that attract Brewer's blackbirds

Of the regional native plants we track for Colorado, these 8 provide food or cover Brewer's blackbirds use:

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.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

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.

Chokecherry
Prunus virginiana · Shrub

Dark summer fruit and heavy caterpillar load.

Ponderosa pine
Pinus ponderosa · Tree

Seeds and bark insects; pygmy nuthatch and woodpecker habitat.

Feeding Brewer's blackbirds through the Colorado year

  • Top foods: Cracked corn, Millet.
  • In Colorado's winter: Cold snaps alternate with sunny, dry thaws; heated baths are valuable because natural water freezes nightly.

Full diet breakdown for Brewer's blackbirds · Best feeder for Brewer's blackbirds

Frequently asked

Are Brewer's blackbirds in Colorado year-round?

Yes. Brewer's Blackbirds are year-round residents in Colorado.

When do Brewer's blackbirds nest in Colorado?

Nesting in Colorado typically runs April–July, with 1–2 per season. Clutches are 3–7 eggs, incubated for 11–17 days.

What native plants attract Brewer's blackbirds in Colorado?

Wild bergamot, Black-eyed Susan, Common sunflower, New England aster, Little bluestem, Tall goldenrod, Chokecherry, Ponderosa pine are native plants in Colorado that provide food or cover for Brewer's blackbirds.

Brewer's Blackbirds in other regions

Other backyard birds in Colorado

Black-capped ChickadeeDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchWhite-breasted NuthatchHouse WrenHouse FinchMourning DoveAmerican RobinDark-eyed JuncoSong SparrowChipping SparrowNorthern FlickerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdEvening GrosbeakPine SiskinIndigo BuntingGray CatbirdNorthern MockingbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowYellow-rumped WarblerEastern Screech-OwlEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingSteller's JayWoodhouse's Scrub-JayBlack-billed MagpieCanada JayMountain ChickadeeBushtitJuniper TitmousePygmy NuthatchBlack-chinned HummingbirdBroad-tailed HummingbirdLesser GoldfinchCassin's FinchSpotted TowheeCanyon TowheeGambel's QuailWestern BluebirdMountain BluebirdSay's PhoebeLadder-backed WoodpeckerCurve-billed ThrasherBewick's WrenWhite-crowned SparrowFox SparrowViolet-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 KingbirdScissor-tailed FlycatcherAsh-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 LarkWhite-winged CrossbillGray-crowned Rosy-FinchBohemian WaxwingGreater RoadrunnerBobolinkYellow-headed BlackbirdGreat-tailed GrackleRock 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 — Colorado
  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.