Species · BCR 17 · BBS 2025 Release · 1966–2024
Northern Rough-winged Swallow In Badlands and Prairies
Northern Rough-winged Swallow in Badlands and Prairies has increased: up 37% on the route-weighted index since 1969.
+37%Since 1969
100Routes In Region
57Years
Notable Signals
No notable trend signals for Northern Rough-winged Swallow in Badlands and Prairies. See the full index history below.
Forecast
If the recent trend holds, Northern Rough-winged Swallow in Badlands and Prairies is projected to rise about 29% by 2029 — from 0.63 in 2024 to a central estimate of 0.81 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±100.4%, with 100% of held-out values landing inside the 95% band.
+29%Change by 2029
0.81Projected 2029 index
0.00–2.095% range
±100.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.82 | 0.00 | 2.0 |
| 2026 | 0.82 | 0.00 | 2.0 |
| 2027 | 0.81 | 0.00 | 2.0 |
| 2028 | 0.81 | 0.00 | 2.0 |
| 2029 | 0.81 | 0.00 | 2.0 |
Routes In Badlands and Prairies
| Dwyer | WYOMING | 162 | 2017 |
| Custer | SOUTH-DAKOTA | 45 | 2012 |
| Oglala Nat. Grass. | NEBRASKA | 21 | 2023 |
| Owanka | SOUTH-DAKOTA | 14 | 1994 |
| St Xavier | MONTANA | 12 | 2010 |
| Clarkelen | WYOMING | 11 | 1977 |
| Highlight | WYOMING | 11 | 1982 |
| Savage | MONTANA | 8 | 1990 |
| Cedar Pass | SOUTH-DAKOTA | 8 | 2002 |
| Lodgepole | SOUTH-DAKOTA | 8 | 2024 |
| Arvada | WYOMING | 8 | 2024 |
| Chuffey Spring | MONTANA | 7 | 2024 |
| Reva | SOUTH-DAKOTA | 6 | 2022 |
| Cabin Creek | MONTANA | 5 | 2023 |
| Roy | MONTANA | 4 | 1993 |
| Webster | MONTANA | 4 | 1992 |
| Lindsay | MONTANA | 4 | 2024 |
| Tobacco | NORTH-DAKOTA | 4 | 2019 |
| Chamberlain | SOUTH-DAKOTA | 4 | 2006 |
| Marcus | SOUTH-DAKOTA | 4 | 2002 |
| Wind Cave Np | SOUTH-DAKOTA | 4 | 2024 |
| Soda Well | WYOMING | 4 | 1982 |
| Ingomar | MONTANA | 3 | 1978 |
| Dickinson | NORTH-DAKOTA | 3 | 2023 |
| Dunn Center | NORTH-DAKOTA | 3 | 1996 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.