Bewick's Wrens in Oregon
When Bewick's wrens 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
- Year-round resident
- Nesting window
- March–June
- Broods
- 1–2 per season
- Hardiness zones
- USDA 4b–9b
- Nest box
- 1 1/4 in hole, 4 × 4 in floor, 5–10 ft
When to expect Bewick's wrens in Oregon
Bewick's Wrens live in Oregon all year. Mild, rainy winters in the Willamette Valley; cold, snowy winters east of the Cascades. That makes the cold months the time your yard matters most to them: their winter diet shifts toward insects; suet.
Marine west-coast climate west of the Cascades; high desert to the east.
Nesting in Oregon
Across Oregon, Bewick's wrens typically nest from March–June. Nest site: cup in cavities or nest boxes. Females lay 3–8 eggs, incubate for 14–16 days, and young leave the nest after 14 days.
Dry summers west of the Cascades; hot days in the high desert.
- Have boxes cleaned and mounted before February — Bewick's wrens begin prospecting ahead of egg-laying.
- Use a 1 1/4 in entrance on a 4 × 4 in floor, mounted 5–10 ft.
- Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
- Clean out old nests after each brood and again after June.
Native Oregon plants that attract Bewick's wrens
Of the regional native plants we track for Oregon, these 8 provide food or cover Bewick's wrens 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 Bewick's wrens through the Oregon year
Uses nest boxes and odd cavities in yards; has vanished from most of the East.
- Best foods: Suet, Mealworms.
- In Oregon's winter: Mild, rainy winters in the Willamette Valley; cold, snowy winters east of the Cascades.
Full diet breakdown for Bewick's wrens · Best feeder for Bewick's wrens
Frequently asked
Are Bewick's wrens in Oregon year-round?
Yes. Bewick's Wrens are year-round residents in Oregon.
When do Bewick's wrens nest in Oregon?
Nesting in Oregon typically runs March–June, with 1–2 per season. Clutches are 3–8 eggs, incubated for 14–16 days.
What native plants attract Bewick's wrens 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 Bewick's wrens.
What size birdhouse hole do Bewick's wrens need?
1 1/4 in, with a floor of 4 × 4 in mounted 5–10 ft.
Bewick's Wrens in other regions
Other backyard birds in Oregon
Sources
- Bewick's Wren — All About Birds, Cornell Lab of Ornithology
- Bewick's Wren life history — Cornell Lab of Ornithology
- Bewick's Wren — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- 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.