Species · Nebraska · BBS 2025 Release · 1966–2024
Marsh Wren Population Trend in Nebraska
Marsh Wren in Nebraska has edged up: up 14% on the route-weighted index since 1969.
+14%Since 1969
17Routes In State
48Years
Notable Marsh Wren Trends in Nebraska
No notable trend signals for Marsh Wren in Nebraska. See the full index history below.
Marsh Wren Population Forecast in Nebraska
If the recent trend holds, Marsh Wren in Nebraska is projected to rise about 492% by 2029 — from 0.17 in 2024 to a central estimate of 0.99 (95% range 0.00–2.5). A 5-year backtest shows a typical error of ±933.4%, with 100% of held-out values landing inside the 95% band.
+492%Change by 2029
0.99Projected 2029 index
0.00–2.595% range
±933.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.96 | 0.00 | 2.5 |
| 2026 | 0.97 | 0.00 | 2.5 |
| 2027 | 0.97 | 0.00 | 2.5 |
| 2028 | 0.98 | 0.00 | 2.5 |
| 2029 | 0.99 | 0.00 | 2.5 |
Marsh Wren Survey Routes in Nebraska
| Crescent Lk | 29 | 2017 | 1980 |
| Nenzel | 6 | 2024 | 2019 |
| Chambers | 4 | 2023 | 2023 |
| Mullen | 3 | 2023 | 2017 |
| Piester Lake | 3 | 1992 | 1968 |
| Agate 2 | 2 | 2011 | 2011 |
| Brownlee | 2 | 2024 | 2010 |
| Richland | 2 | 2016 | 2016 |
| Gordon | 1 | 2011 | 2011 |
| Murray Lake | 1 | 2018 | 2003 |
| Surprise | 1 | 2021 | 2021 |
| Wheeler Co | 1 | 2023 | 2010 |
| Dalton | 1 | 1974 | 1974 |
| Sparta | 1 | 2019 | 1967 |
| Swan Lake | 1 | 2000 | 1997 |
| Johnstown | 1 | 1999 | 1995 |
| Kennedy | 1 | 2022 | 1995 |
Marsh Wren Population Trend in Other States
alabamaarizonacaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaslouisianamainemarylandmassachusettsmichiganminnesotamissourimontananevadanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatexasutahvermontvirginiawashingtonwisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.