Bank Swallows in Oregon
When bank swallows are present in Oregon, when they nest, which native Oregon plants feed them, and how to host them in a USDA 4b–9b yard.
- Status in Oregon
- Summer breeder
- Nesting window
- May–July
- Broods
- 1 per season
- Hardiness zones
- USDA 4b–9b
When to expect bank swallows in Oregon
Bank Swallows are summer residents in Oregon, arriving shortly before nesting begins in May and leaving after the young are independent.
Marine west-coast climate west of the Cascades; high desert to the east.
Nesting in Oregon
Across Oregon, bank swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Dry summers west of the Cascades; hot days in the high desert.
- Bank Swallows 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 Oregon plants that attract bank swallows
Of the regional native plants we track for Oregon, these 8 provide food or cover bank swallows 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 bank swallows through the Oregon year
- Top foods: None — sandy river banks are the habitat.
- In Oregon's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for bank swallows · Best feeder for bank swallows
Frequently asked
Are bank swallows in Oregon year-round?
No. Bank Swallows are summer breeders in Oregon and leave for the winter.
When do bank swallows nest in Oregon?
Nesting in Oregon typically runs May–July, with 1 per season. Clutches are 1–7 eggs, incubated for 13–16 days.
What native plants attract bank swallows in Oregon?
Tall goldenrod, Paper birch, Chokecherry, Ponderosa pine, Rabbitbrush, Oregon white oak, Douglas fir, Willow (Bebb) are native plants in Oregon that provide food or cover for bank swallows.
Bank Swallows in other regions
Other backyard birds in Oregon
Sources
- Bank Swallow — All About Birds, Cornell Lab of Ornithology
- Bank Swallow life history — Cornell Lab of Ornithology
- Bank Swallow — Audubon Guide to North American Birds
- eBird region overview and bar charts — Oregon
- 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.