Species · BCR 19 · BBS 2025 Release · 1966–2024
American Avocet In Central Mixed Grass Prairie
American Avocet in Central Mixed Grass Prairie has fallen sharply: down 55% on the route-weighted index since 1969.
-55%Since 1969
18Routes In Region
55Years
Notable Signals
long arc declinecomputed index
American Avocet has fallen sharply in Central Mixed Grass Prairie: down 55% on the route-weighted index since 1969.
Forecast
If the recent trend holds, American Avocet in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±124.9%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–1.195% range
±124.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 1.2 |
| 2026 | 0.00 | 0.00 | 1.1 |
| 2027 | 0.00 | 0.00 | 1.1 |
| 2028 | 0.00 | 0.00 | 1.1 |
| 2029 | 0.00 | 0.00 | 1.1 |
Routes In Central Mixed Grass Prairie
| Albert | KANSAS | 40 | 2023 |
| Cooperton | OKLAHOMA | 10 | 2014 |
| Missler | KANSAS | 8 | 2009 |
| Crescent Lk | NEBRASKA | 6 | 2017 |
| Gordon | NEBRASKA | 3 | 2009 |
| Hackberry | TEXAS | 3 | 2012 |
| Piester Lake | NEBRASKA | 2 | 1988 |
| Wheeler Co | NEBRASKA | 2 | 2012 |
| Rosston | OKLAHOMA | 2 | 1987 |
| Beaver | OKLAHOMA | 2 | 2018 |
| Childress | TEXAS | 2 | 2016 |
| Booker | TEXAS | 2 | 1995 |
| Rotan | TEXAS | 2 | 2024 |
| St John | KANSAS | 1 | 2017 |
| Table | NEBRASKA | 1 | 2008 |
| Nenzel | NEBRASKA | 1 | 2021 |
| Weinert | TEXAS | 1 | 1994 |
| Haskell | TEXAS | 1 | 2017 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.