Species · BCR 18 · BBS 2025 Release · 1966–2024
Pied-billed Grebe In Shortgrass Prairie
Pied-billed Grebe in Shortgrass Prairie has declined: down 42% on the route-weighted index since 1977.
-42%Since 1977
25Routes In Region
35Years
Notable Signals
No notable trend signals for Pied-billed Grebe in Shortgrass Prairie. See the full index history below.
Forecast
If the recent trend holds, Pied-billed Grebe in Shortgrass Prairie is projected to stay roughly flat through 2028, near 0.04 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±128.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.04Projected 2028 index
0.00–0.1495% range
±128.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.04 | 0.00 | 0.14 |
| 2025 | 0.04 | 0.00 | 0.14 |
| 2026 | 0.04 | 0.00 | 0.14 |
| 2027 | 0.04 | 0.00 | 0.14 |
| 2028 | 0.04 | 0.00 | 0.14 |
Routes In Shortgrass Prairie
| Panhandle | TEXAS | 21 | 2016 |
| Kiowa | COLORADO | 3 | 2016 |
| Arsenal | COLORADO | 3 | 1999 |
| Last Chance | COLORADO | 2 | 2016 |
| Lamar | COLORADO | 2 | 1998 |
| Hudson | COLORADO | 2 | 1989 |
| Pantex | TEXAS | 2 | 2023 |
| Waka | TEXAS | 2 | 2021 |
| Stoneham | COLORADO | 1 | 2017 |
| Amherst | COLORADO | 1 | 2011 |
| Neegrande | COLORADO | 1 | 2001 |
| Nunn | COLORADO | 1 | 2018 |
| Fort Morgan | COLORADO | 1 | 2010 |
| Julesburg | COLORADO | 1 | 2013 |
| Arsenal 2 | COLORADO | 1 | 2016 |
| Lakin | KANSAS | 1 | 1978 |
| Agate 2 | NEBRASKA | 1 | 2023 |
| Logan | NEW-MEXICO | 1 | 2005 |
| Maxwell | NEW-MEXICO | 1 | 2007 |
| Hooker | OKLAHOMA | 1 | 2015 |
| Lamesa | TEXAS | 1 | 1973 |
| Floydada | TEXAS | 1 | 2017 |
| Tenmile | TEXAS | 1 | 2017 |
| Dougherty | TEXAS | 1 | 2015 |
| Claytonville | TEXAS | 1 | 2014 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.