Colorado · Year-round resident

Cooper's Hawks in Colorado

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

Hawks and eagles (Accipitridae)Cooper's HawkAstur cooperii
Status in Colorado
Year-round resident
Nesting window
March–June
Broods
1 per season
Hardiness zones
USDA 3a–7b

When to expect Cooper's hawks in Colorado

Cooper's Hawks 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, Cooper's hawks typically nest from March–June. Plan around that window: February for setup, June for clean-out.

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

  • Cooper's Hawks don't use nest boxes. Keep dense native shrubs and trees such as chokecherry, ponderosa pine, gambel oak for nest sites.
  • Delay heavy pruning of shrubs until after June.

Native Colorado plants that attract Cooper's hawks

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

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

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.

Gambel oak
Quercus gambelii · Tree

Acorns for jays and woodpeckers across the southern Rockies.

Rabbitbrush
Ericameria nauseosa · Shrub

Late-season bloom supports insects; seed for sparrows.

Douglas fir
Pseudotsuga menziesii · Tree

Seed for crossbills, siskins and chickadees.

Willow (Bebb)
Salix bebbiana · Shrub

Early catkins draw insects for arriving warblers and hummingbirds.

Feeding Cooper's hawks through the Colorado year

  • Top foods: None — it hunts live prey; active feeders are the attraction.
  • In Colorado's winter: Cold snaps alternate with sunny, dry thaws; heated baths are valuable because natural water freezes nightly.

Full diet breakdown for Cooper's hawks · Best feeder for Cooper's hawks

Frequently asked

Are Cooper's hawks in Colorado year-round?

Yes. Cooper's Hawks are year-round residents in Colorado.

When do Cooper's hawks nest in Colorado?

Nesting in Colorado typically runs March–June, with 1 per season. Clutches are 2–6 eggs, incubated for 30–36 days.

What native plants attract Cooper's hawks in Colorado?

New England aster, Tall goldenrod, Chokecherry, Ponderosa pine, Gambel oak, Rabbitbrush, Douglas fir, Willow (Bebb) are native plants in Colorado that provide food or cover for Cooper's hawks.

Cooper's Hawks 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 RavenSharp-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 BlackbirdBrewer's BlackbirdGreat-tailed GrackleRock Pigeon

Sources

  1. Cooper's Hawk — All About Birds, Cornell Lab of Ornithology
  2. Cooper's Hawk life history — Cornell Lab of Ornithology
  3. Cooper's Hawk — 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.