Species · BCR 11 · BBS 2025 Release · 1966–2024
Greater Prairie-Chicken In Prairie Potholes
Greater Prairie-Chicken in Prairie Potholes has surged: up 430% on the route-weighted index since 1970.
+430%Since 1970
22Routes In Region
40Years
Notable Signals
long arc increasecomputed index
Greater Prairie-Chicken has surged in Prairie Potholes: up 430% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Greater Prairie-Chicken in Prairie Potholes is projected to fall about 15% by 2029 — from 0.42 in 2024 to a central estimate of 0.36 (95% range 0.03–0.69). A 5-year backtest shows a typical error of ±65.7%, with 20% of held-out values landing inside the 95% band.
-15%Change by 2029
0.36Projected 2029 index
0.03–0.6995% range
±65.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.33 | 0.00 | 0.66 |
| 2026 | 0.34 | 0.01 | 0.67 |
| 2027 | 0.34 | 0.01 | 0.68 |
| 2028 | 0.35 | 0.02 | 0.68 |
| 2029 | 0.36 | 0.03 | 0.69 |
Routes In Prairie Potholes
| Eagle Creek | NEBRASKA | 14 | 2024 |
| Tilden | NEBRASKA | 9 | 2024 |
| Midway | NEBRASKA | 8 | 2023 |
| Raymond | SOUTH-DAKOTA | 6 | 2008 |
| Glyndon | MINNESOTA | 4 | 2024 |
| Sparta | NEBRASKA | 4 | 2021 |
| Oklee | MINNESOTA | 3 | 2004 |
| Beltrami | MINNESOTA | 3 | 2024 |
| Wylie | MINNESOTA | 3 | 2009 |
| Cooperstown | NORTH-DAKOTA | 3 | 1970 |
| Geddes | SOUTH-DAKOTA | 2 | 2002 |
| Forbes | SOUTH-DAKOTA | 2 | 1981 |
| Lane 2 | SOUTH-DAKOTA | 2 | 2008 |
| Erie | MINNESOTA | 1 | 2007 |
| Grygla | MINNESOTA | 1 | 1981 |
| Badger | MINNESOTA | 1 | 2003 |
| Lockhart | MINNESOTA | 1 | 2022 |
| Walcott | NORTH-DAKOTA | 1 | 1987 |
| Howard | SOUTH-DAKOTA | 1 | 1981 |
| White Lake | SOUTH-DAKOTA | 1 | 1975 |
| Volga | SOUTH-DAKOTA | 1 | 1971 |
| Crow Creek | SOUTH-DAKOTA | 1 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.