Cooper's Hawks in Washington
When Cooper's hawks are present in Washington, when they nest, which native Washington plants feed them, and how to host them in a USDA 4a–9a yard.
- Status in Washington
- Year-round resident
- Nesting window
- March–June
- Broods
- 1 per season
- Hardiness zones
- USDA 4a–9a
When to expect Cooper's hawks in Washington
Cooper's Hawks live in Washington all year. Mild, wet winters on the Puget Sound; cold winters in the east. That makes the cold months the time your yard matters most to them.
Marine west-coast climate west of the Cascades, semi-arid shrub-steppe to the east.
Nesting in Washington
Across Washington, Cooper's hawks typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Dry, sunny summers west of the Cascades; hot in the Columbia Basin.
- Cooper's Hawks don't use nest boxes. Keep dense native shrubs and trees such as paper birch, chokecherry, ponderosa pine for nest sites.
- Delay heavy pruning of shrubs until after June.
Native Washington plants that attract Cooper's hawks
Of the regional native plants we track for Washington, these 8 provide food or cover Cooper's hawks use:
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Late-season bloom supports insects; seed for sparrows.
Acorns and a rich insect community in the Pacific Northwest.
Seed for crossbills, siskins and chickadees.
Early catkins draw insects for arriving warblers and hummingbirds.
Feeding Cooper's hawks through the Washington year
- Top foods: None — it hunts live prey; active feeders are the attraction.
- In Washington's winter: Mild, wet winters on the Puget Sound; cold winters in the east.
Full diet breakdown for Cooper's hawks · Best feeder for Cooper's hawks
Frequently asked
Are Cooper's hawks in Washington year-round?
Yes. Cooper's Hawks are year-round residents in Washington.
When do Cooper's hawks nest in Washington?
Nesting in Washington 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 Washington?
Tall goldenrod, Paper birch, Chokecherry, Ponderosa pine, Rabbitbrush, Oregon white oak, Douglas fir, Willow (Bebb) are native plants in Washington that provide food or cover for Cooper's hawks.
Cooper's Hawks in other regions
Other backyard birds in Washington
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 — Washington
- 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.