Species · Nebraska · BBS 2025 Release · 1966–2024
American Avocet Population Trend in Nebraska
American Avocet in Nebraska has fallen sharply: down 71% on the route-weighted index since 1980.
-71%Since 1980
11Routes In State
38Years
Notable American Avocet Trends in Nebraska
long arc declinecomputed index
American Avocet has fallen sharply in Nebraska: down 71% on the route-weighted index since 1980.
American Avocet Population Forecast in Nebraska
If the recent trend holds, American Avocet in Nebraska is projected to stay roughly flat through 2029, near 0.19 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±835.2%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.19Projected 2029 index
0.00–2.195% range
±835.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.22 | 0.00 | 2.1 |
| 2026 | 0.21 | 0.00 | 2.1 |
| 2027 | 0.20 | 0.00 | 2.1 |
| 2028 | 0.20 | 0.00 | 2.1 |
| 2029 | 0.19 | 0.00 | 2.1 |
American Avocet Survey Routes in Nebraska
| Benkelman | 15 | 1991 | 1991 |
| Crescent Lk | 6 | 2017 | 1980 |
| Berea | 4 | 2009 | 1982 |
| Gordon | 3 | 2009 | 1975 |
| Murray Lake | 2 | 2024 | 1987 |
| Wheeler Co | 2 | 2012 | 2012 |
| Piester Lake | 2 | 1988 | 1986 |
| Table | 1 | 2008 | 2003 |
| Oglala Nat. Grass. | 1 | 2001 | 2001 |
| Nenzel | 1 | 2021 | 2021 |
| Dalton | 1 | 1971 | 1971 |
American Avocet Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.