Species · Montana · BBS 2025 Release · 1966–2024
Lazuli Bunting Population Trend in Montana
Lazuli Bunting in Montana has surged: up 115% on the route-weighted index since 1970.
+115%Since 1970
86Routes In State
56Years
Notable Lazuli Bunting Trends in Montana
long arc increasecomputed index
Lazuli Bunting has surged in Montana: up 115% on the route-weighted index since 1970.
Lazuli Bunting Population Forecast in Montana
If the recent trend holds, Lazuli Bunting in Montana is projected to stay roughly flat through 2029, near 1.7 (95% range 1.0–2.3). A 5-year backtest shows a typical error of ±2.7%, with 100% of held-out values landing inside the 95% band.
+1%Change by 2029
1.7Projected 2029 index
1.0–2.395% range
±2.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.6 | 0.95 | 2.2 |
| 2026 | 1.6 | 0.96 | 2.3 |
| 2027 | 1.6 | 0.98 | 2.3 |
| 2028 | 1.6 | 0.99 | 2.3 |
| 2029 | 1.7 | 1.0 | 2.3 |
Lazuli Bunting Survey Routes in Montana
| Reed Point | 15 | 2024 | 1977 |
| Clancy | 15 | 2023 | 2017 |
| Cabin Creek | 11 | 2019 | 2019 |
| Jordan | 10 | 2024 | 1968 |
| Threemile Wa | 10 | 2024 | 1994 |
| Pryor Mtn. | 9 | 2024 | 2001 |
| Circle | 8 | 1975 | 1975 |
| Sula | 8 | 2024 | 1986 |
| Wolf Creek | 8 | 2022 | 2015 |
| East Glacier Park | 7 | 2024 | 2015 |
| Muddy Creek | 7 | 2015 | 2015 |
| Libby Dam | 6 | 2024 | 1982 |
| Cleveland | 6 | 2024 | 1998 |
| Forsyth | 6 | 2023 | 1992 |
| Fish Creek | 6 | 2024 | 2000 |
| Freeman Creek | 6 | 2016 | 2015 |
| Polson | 5 | 2024 | 1988 |
| Woodman | 5 | 2023 | 1978 |
| Laurel | 5 | 2022 | 1968 |
| Brandenberg | 5 | 2019 | 1968 |
| Thompson Riv | 5 | 2016 | 2014 |
| Glen | 5 | 2024 | 1977 |
| Arlee | 4 | 2024 | 1972 |
| Highwood | 4 | 2024 | 1972 |
| Clinton | 4 | 2024 | 1972 |
Lazuli Bunting Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.