Species · BCR 17 · BBS 2025 Release · 1966–2024
Bobolink In Badlands and Prairies
Bobolink in Badlands and Prairies has surged: up 190% on the route-weighted index since 1969.
+190%Since 1969
96Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Bobolink has surged in Badlands and Prairies: up 190% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Bobolink in Badlands and Prairies is projected to rise about 34% by 2029 — from 5.5 in 2024 to a central estimate of 7.4 (95% range 4.1–11). A 5-year backtest shows a typical error of ±23.4%, with 100% of held-out values landing inside the 95% band.
+34%Change by 2029
7.4Projected 2029 index
4.1–1195% range
±23.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 7.0 | 3.6 | 10 |
| 2026 | 7.1 | 3.7 | 10 |
| 2027 | 7.2 | 3.8 | 11 |
| 2028 | 7.3 | 4.0 | 11 |
| 2029 | 7.4 | 4.1 | 11 |
Routes In Badlands and Prairies
| Dickinson | NORTH-DAKOTA | 56 | 2024 |
| Bowman | NORTH-DAKOTA | 48 | 2024 |
| Glen Ullin | NORTH-DAKOTA | 47 | 2022 |
| Gorham | NORTH-DAKOTA | 46 | 2018 |
| Promise | SOUTH-DAKOTA | 36 | 2015 |
| Two Dot | MONTANA | 35 | 2024 |
| Lodgepole | SOUTH-DAKOTA | 33 | 2024 |
| Ft Yates | NORTH-DAKOTA | 31 | 2004 |
| Dayton | WYOMING | 30 | 2024 |
| Tobacco | NORTH-DAKOTA | 28 | 2019 |
| Carson | NORTH-DAKOTA | 28 | 2024 |
| Eagle Butte | SOUTH-DAKOTA | 26 | 2015 |
| Dunn Center | NORTH-DAKOTA | 24 | 2024 |
| Bentley | NORTH-DAKOTA | 24 | 2024 |
| Cedar Creek | NORTH-DAKOTA | 18 | 2022 |
| Harding | SOUTH-DAKOTA | 17 | 2019 |
| Isabel | SOUTH-DAKOTA | 17 | 2015 |
| Brusett | MONTANA | 15 | 2024 |
| Solen | NORTH-DAKOTA | 14 | 2024 |
| Lindsay | MONTANA | 12 | 2024 |
| Golva | NORTH-DAKOTA | 12 | 2023 |
| Chamberlain | SOUTH-DAKOTA | 11 | 2011 |
| Englewood | SOUTH-DAKOTA | 11 | 2021 |
| Chuffey Spring | MONTANA | 10 | 2023 |
| Albion | MONTANA | 9 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.