Black-crowned Night Herons in Washington
When black-crowned night herons 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–July
- Broods
- 1 per season
- Hardiness zones
- USDA 4a–9a
When to expect black-crowned night herons in Washington
Black-crowned Night Herons 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, black-crowned night herons typically nest from March–July. Plan around that window: February for setup, July for clean-out.
Dry, sunny summers west of the Cascades; hot in the Columbia Basin.
- Black-crowned Night Herons 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 July.
Native Washington plants that attract black-crowned night herons
Of the regional native plants we track for Washington, these 8 provide food or cover black-crowned night herons 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 black-crowned night herons through the Washington year
- Top foods: None — night-hunts ponds and wetlands.
- In Washington's winter: Mild, wet winters on the Puget Sound; cold winters in the east.
Full diet breakdown for black-crowned night herons · Best feeder for black-crowned night herons
Frequently asked
Are black-crowned night herons in Washington year-round?
Yes. Black-crowned Night Herons are year-round residents in Washington.
When do black-crowned night herons nest in Washington?
Nesting in Washington typically runs March–July, with 1 per season. Clutches are 3–5 eggs, incubated for 21–26 days.
What native plants attract black-crowned night herons 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 black-crowned night herons.
Black-crowned Night Herons in other regions
Other backyard birds in Washington
Sources
- Black-crowned Night Heron — All About Birds, Cornell Lab of Ornithology
- Black-crowned Night Heron life history — Cornell Lab of Ornithology
- Black-crowned Night Heron — 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.