Species · BCR 19 · BBS 2025 Release · 1966–2024
Eared Grebe In Central Mixed Grass Prairie
Eared Grebe in Central Mixed Grass Prairie has collapsed: down 77% on the route-weighted index since 1980.
-77%Since 1980
10Routes In Region
26Years
Notable Signals
long arc declinecomputed index
Eared Grebe has collapsed in Central Mixed Grass Prairie: down 77% on the route-weighted index since 1980.
Forecast
If the recent trend holds, Eared Grebe in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.50). A 5-year backtest shows a typical error of ±112.9%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.03Projected 2029 index
0.00–0.5095% range
±112.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.04 | 0.00 | 0.52 |
| 2026 | 0.04 | 0.00 | 0.52 |
| 2027 | 0.04 | 0.00 | 0.51 |
| 2028 | 0.03 | 0.00 | 0.51 |
| 2029 | 0.03 | 0.00 | 0.50 |
Routes In Central Mixed Grass Prairie
| Brownlee | NEBRASKA | 7 | 2016 |
| Piester Lake | NEBRASKA | 6 | 2022 |
| Wheeler Co | NEBRASKA | 5 | 1999 |
| Albert | KANSAS | 3 | 2001 |
| Gordon | NEBRASKA | 2 | 2015 |
| Crescent Lk | NEBRASKA | 2 | 2016 |
| Nenzel | NEBRASKA | 2 | 2024 |
| Belvidere | NEBRASKA | 1 | 1997 |
| Stratton | NEBRASKA | 1 | 2015 |
| Grimes | OKLAHOMA | 1 | 1988 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.