Species · Nebraska · BBS 2025 Release · 1966–2024
Northern Rough-winged Swallow Population Trend in Nebraska
Northern Rough-winged Swallow in Nebraska has surged: up 270% on the route-weighted index since 1969.
+270%Since 1969
63Routes In State
57Years
Notable Northern Rough-winged Swallow Trends in Nebraska
long arc increasecomputed index
Northern Rough-winged Swallow has surged in Nebraska: up 270% on the route-weighted index since 1969.
Northern Rough-winged Swallow Population Forecast in Nebraska
If the recent trend holds, Northern Rough-winged Swallow in Nebraska is projected to fall about 13% by 2029 — from 3.1 in 2024 to a central estimate of 2.7 (95% range 0.91–4.6). A 5-year backtest shows a typical error of ±39.2%, with 100% of held-out values landing inside the 95% band.
-13%Change by 2029
2.7Projected 2029 index
0.91–4.695% range
±39.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.7 | 0.86 | 4.5 |
| 2026 | 2.7 | 0.87 | 4.5 |
| 2027 | 2.7 | 0.88 | 4.5 |
| 2028 | 2.7 | 0.89 | 4.5 |
| 2029 | 2.7 | 0.91 | 4.6 |
Northern Rough-winged Swallow Survey Routes in Nebraska
| Brady | 45 | 2024 | 1980 |
| Seward | 35 | 2024 | 1971 |
| Gretna 2 | 30 | 2022 | 2019 |
| Ponca | 25 | 2019 | 2019 |
| Oglala Nat. Grass. | 21 | 2023 | 2002 |
| Liberty | 12 | 2001 | 1967 |
| Irvington | 12 | 2018 | 1972 |
| Hendley | 12 | 2023 | 2021 |
| Johnson | 9 | 2024 | 1967 |
| Richland | 9 | 2024 | 1989 |
| Eagle Creek | 8 | 2024 | 1968 |
| Red Cloud | 8 | 2024 | 2018 |
| Holbrook | 7 | 2024 | 1973 |
| Almeria | 7 | 1987 | 1987 |
| Ringgold | 7 | 2017 | 2003 |
| Berwyn | 7 | 2010 | 1993 |
| Johnstown | 6 | 2019 | 1985 |
| Gordon | 6 | 2018 | 1975 |
| Liberty 2 | 6 | 2004 | 2004 |
| Paxton | 5 | 2007 | 1968 |
| Arthur | 5 | 2024 | 1996 |
| Nenzel | 5 | 2024 | 2018 |
| Agate 2 | 4 | 2024 | 2002 |
| Agate | 4 | 2001 | 1968 |
| Murray Lake | 4 | 2024 | 1989 |
Northern Rough-winged Swallow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.