Species · BCR 17 · BBS 2025 Release · 1966–2024
Lazuli Bunting In Badlands and Prairies
Lazuli Bunting in Badlands and Prairies has surged: up 97% on the route-weighted index since 1969.
+97%Since 1969
76Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Lazuli Bunting has surged in Badlands and Prairies: up 97% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Lazuli Bunting in Badlands and Prairies is projected to rise about 56% by 2029 — from 0.69 in 2024 to a central estimate of 1.1 (95% range 0.53–1.6). A 5-year backtest shows a typical error of ±81.4%, with 60% of held-out values landing inside the 95% band.
+56%Change by 2029
1.1Projected 2029 index
0.53–1.695% range
±81.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.0 | 0.49 | 1.6 |
| 2026 | 1.0 | 0.50 | 1.6 |
| 2027 | 1.0 | 0.51 | 1.6 |
| 2028 | 1.1 | 0.52 | 1.6 |
| 2029 | 1.1 | 0.53 | 1.6 |
Routes In Badlands and Prairies
| Cedar Pass | SOUTH-DAKOTA | 24 | 2010 |
| Reed Point | MONTANA | 15 | 2024 |
| Roosevelt Pk | NORTH-DAKOTA | 15 | 2019 |
| Badlands | SOUTH-DAKOTA | 15 | 2014 |
| Cabin Creek | MONTANA | 11 | 2019 |
| Jordan | MONTANA | 10 | 2024 |
| Circle | MONTANA | 8 | 1975 |
| Forsyth | MONTANA | 6 | 2023 |
| Brandenberg | MONTANA | 5 | 2019 |
| Pine Tree | WYOMING | 5 | 1980 |
| Highwood | MONTANA | 4 | 2024 |
| Winifred 2 | MONTANA | 4 | 2024 |
| Roubaix Lk | SOUTH-DAKOTA | 4 | 1991 |
| Brusett | MONTANA | 3 | 2024 |
| Miles City | MONTANA | 3 | 2023 |
| Gorham | NORTH-DAKOTA | 3 | 2016 |
| Ft Thompson | SOUTH-DAKOTA | 3 | 1972 |
| Long Draw | SOUTH-DAKOTA | 3 | 1999 |
| Wheat Basin | MONTANA | 2 | 2021 |
| Custer 2 | MONTANA | 2 | 2024 |
| Dunn Center | NORTH-DAKOTA | 2 | 2023 |
| Tobacco | NORTH-DAKOTA | 2 | 2019 |
| Promise | SOUTH-DAKOTA | 2 | 1988 |
| Harding | SOUTH-DAKOTA | 2 | 1990 |
| Elk Mountain | SOUTH-DAKOTA | 2 | 1993 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.