Species · Nebraska · BBS 2025 Release · 1966–2024
White-faced Ibis Population Trend in Nebraska
White-faced Ibis in Nebraska has edged down: down 21% on the route-weighted index since 1990.
-21%Since 1990
8Routes In State
23Years
Notable White-faced Ibis Trends in Nebraska
No notable trend signals for White-faced Ibis in Nebraska. See the full index history below.
White-faced Ibis Population Forecast in Nebraska
If the recent trend holds, White-faced Ibis in Nebraska is projected to stay roughly flat through 2029, near 0.62 (95% range 0.00–1.4). A 5-year backtest shows a typical error of ±1740.7%, with 40% of held-out values landing inside the 95% band.
n/aChange by 2029
0.62Projected 2029 index
0.00–1.495% range
±1740.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.56 | 0.00 | 1.3 |
| 2026 | 0.58 | 0.00 | 1.3 |
| 2027 | 0.59 | 0.00 | 1.3 |
| 2028 | 0.60 | 0.00 | 1.4 |
| 2029 | 0.62 | 0.00 | 1.4 |
White-faced Ibis Survey Routes in Nebraska
| Crescent Lk | 40 | 2017 | 1988 |
| Brownlee | 14 | 2018 | 2007 |
| Table | 13 | 2008 | 2008 |
| Kennedy | 7 | 2016 | 2014 |
| Swan Lake | 3 | 2021 | 2021 |
| Murray Lake | 1 | 2003 | 2003 |
| Bassett | 1 | 2019 | 2019 |
| Wheeler Co | 1 | 2024 | 1995 |
White-faced Ibis Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.