Species · BCR 18 · BBS 2025 Release · 1966–2024
Eared Grebe In Shortgrass Prairie
Eared Grebe in Shortgrass Prairie has fallen sharply: down 71% on the route-weighted index since 1978.
-71%Since 1978
15Routes In Region
20Years
Notable Signals
long arc declinecomputed index
Eared Grebe has fallen sharply in Shortgrass Prairie: down 71% on the route-weighted index since 1978.
Forecast
If the recent trend holds, Eared Grebe in Shortgrass Prairie is projected to stay roughly flat through 2028, near 0.05 (95% range 0.00–0.22). A 5-year backtest shows a typical error of ±478.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.05Projected 2028 index
0.00–0.2295% range
±478.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.06 | 0.00 | 0.23 |
| 2025 | 0.05 | 0.00 | 0.22 |
| 2026 | 0.05 | 0.00 | 0.22 |
| 2027 | 0.05 | 0.00 | 0.22 |
| 2028 | 0.05 | 0.00 | 0.22 |
Routes In Shortgrass Prairie
| Wildhorse L | COLORADO | 30 | 2015 |
| Maxwell | NEW-MEXICO | 10 | 2007 |
| Waka | TEXAS | 6 | 1997 |
| Kiowa | COLORADO | 5 | 1999 |
| Grenville | NEW-MEXICO | 5 | 1978 |
| Pantex | TEXAS | 4 | 1999 |
| Haswell | COLORADO | 3 | 2022 |
| Amherst | COLORADO | 2 | 2007 |
| Nunn | COLORADO | 2 | 2019 |
| Cooley Lake | NEW-MEXICO | 2 | 2023 |
| Friona | TEXAS | 2 | 2001 |
| Julesburg | COLORADO | 1 | 2011 |
| Plymell | KANSAS | 1 | 2021 |
| Pine Ridge | NEBRASKA | 1 | 2016 |
| Floydada | TEXAS | 1 | 2016 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.