Northern Rough-winged Swallows in Montana
When northern rough-winged swallows are present in Montana, when they nest, which native Montana plants feed them, and how to host them in a USDA 3a–6a yard.
- Status in Montana
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3a–6a
When to expect northern rough-winged swallows in Montana
Northern Rough-winged Swallows are summer residents in Montana, arriving shortly before nesting begins in May and leaving after the young are independent.
Continental — Rocky Mountain forest in the west, semi-arid Great Plains in the east.
Nesting in Montana
Across Montana, northern rough-winged swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Warm, dry summers and a short growing season.
- Northern Rough-winged Swallows don't use nest boxes. Keep dense native shrubs and trees such as bur oak, paper birch, chokecherry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Montana plants that attract northern rough-winged swallows
Of the regional native plants we track for Montana, these 8 provide food or cover northern rough-winged swallows use:
Drought-hardy prairie oak with large acorns and a heavy insect load.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all 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.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
Feeding northern rough-winged swallows through the Montana year
- Top foods: None — open water and earth banks are the draw.
- In Montana'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 Montana year-round?
No. Northern Rough-winged Swallows are summer breeders in Montana and leave for the winter.
When do northern rough-winged swallows nest in Montana?
Nesting in Montana 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 Montana?
Bur oak, Tall goldenrod, Paper birch, Chokecherry, Common hackberry, Ponderosa pine, Rabbitbrush, Douglas fir are native plants in Montana that provide food or cover for northern rough-winged swallows.
Northern Rough-winged Swallows in other regions
Other backyard birds in Montana
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 — Montana
- 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.