Species · BCR 19 · BBS 2025 Release · 1966–2024
Western Grebe In Central Mixed Grass Prairie
Western Grebe in Central Mixed Grass Prairie has held roughly steady: up 6% on the route-weighted index since 1994.
+6%Since 1994
6Routes In Region
25Years
Notable Signals
No notable trend signals for Western Grebe in Central Mixed Grass Prairie. See the full index history below.
Forecast
If the recent trend holds, Western Grebe in Central Mixed Grass Prairie is projected to fall about 27% by 2029 — from 0.06 in 2024 to a central estimate of 0.04 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±101.2%, with 100% of held-out values landing inside the 95% band.
-27%Change by 2029
0.04Projected 2029 index
0.00–0.2195% range
±101.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.05 | 0.00 | 0.21 |
| 2026 | 0.05 | 0.00 | 0.21 |
| 2027 | 0.05 | 0.00 | 0.21 |
| 2028 | 0.04 | 0.00 | 0.21 |
| 2029 | 0.04 | 0.00 | 0.21 |
Routes In Central Mixed Grass Prairie
| Brownlee | NEBRASKA | 4 | 2024 |
| Albert | KANSAS | 2 | 2002 |
| Crescent Lk | NEBRASKA | 2 | 2013 |
| Piester Lake | NEBRASKA | 1 | 2018 |
| Kennedy | NEBRASKA | 1 | 2008 |
| Nenzel | NEBRASKA | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.