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.
- 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:
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Dark summer fruit and heavy caterpillar load.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Acorns for jays and woodpeckers across the southern Rockies.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
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
Sources
- Cooper's Hawk — All About Birds, Cornell Lab of Ornithology
- Cooper's Hawk life history — Cornell Lab of Ornithology
- Cooper's Hawk — Audubon Guide to North American Birds
- eBird region overview and bar charts — Colorado
- 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.