Northern Rough-winged Swallows in Wyoming
When northern rough-winged swallows are present in Wyoming, when they nest, which native Wyoming plants feed them, and how to host them in a USDA 3a–5b yard.
- Status in Wyoming
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3a–5b
When to expect northern rough-winged swallows in Wyoming
Northern Rough-winged Swallows are summer residents in Wyoming, arriving shortly before nesting begins in May and leaving after the young are independent.
Semi-arid high plains and basins with major mountain ranges; most towns lie above 5,000 ft.
Nesting in Wyoming
Across Wyoming, northern rough-winged swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Short, warm summers with cool nights.
- Northern Rough-winged Swallows don't use nest boxes. Keep dense native shrubs and trees such as bur oak, chokecherry, common hackberry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Wyoming plants that attract northern rough-winged swallows
Of the regional native plants we track for Wyoming, these 8 provide food or cover northern rough-winged swallows use:
Drought-hardy prairie oak with large acorns and a heavy insect load.
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Dark summer fruit and heavy caterpillar load.
Sweet dry fruit on the branch all winter.
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.
Feeding northern rough-winged swallows through the Wyoming year
- Top foods: None — open water and earth banks are the draw.
- In Wyoming's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for northern rough-winged swallows · Best feeder for northern rough-winged swallows
Frequently asked
Are northern rough-winged swallows in Wyoming year-round?
No. Northern Rough-winged Swallows are summer breeders in Wyoming and leave for the winter.
When do northern rough-winged swallows nest in Wyoming?
Nesting in Wyoming typically runs May–July, with 1–2 per season. Clutches are 4–8 eggs, incubated for 12–16 days.
What native plants attract northern rough-winged swallows in Wyoming?
Bur oak, New England aster, Tall goldenrod, Chokecherry, Common hackberry, Ponderosa pine, Gambel oak, Rabbitbrush are native plants in Wyoming that provide food or cover for northern rough-winged swallows.
Northern Rough-winged Swallows in other regions
Other backyard birds in Wyoming
Sources
- Northern Rough-winged Swallow — All About Birds, Cornell Lab of Ornithology
- Northern Rough-winged Swallow life history — Cornell Lab of Ornithology
- Northern Rough-winged Swallow — Audubon Guide to North American Birds
- eBird region overview and bar charts — Wyoming
- 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.