Species · Arizona · BBS 2025 Release · 1966–2024
Lazuli Bunting Population Trend in Arizona
Lazuli Bunting in Arizona has collapsed: down 87% on the route-weighted index since 1976.
-87%Since 1976
12Routes In State
22Years
Notable Lazuli Bunting Trends in Arizona
long arc declinecomputed index
Lazuli Bunting has collapsed in Arizona: down 87% on the route-weighted index since 1976.
Lazuli Bunting Population Forecast in Arizona
If the recent trend holds, Lazuli Bunting in Arizona is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±29.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2027
0.00Projected 2027 index
0.00–0.1795% range
±29.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.00 | 0.00 | 0.17 |
| 2024 | 0.00 | 0.00 | 0.17 |
| 2025 | 0.00 | 0.00 | 0.17 |
| 2026 | 0.00 | 0.00 | 0.17 |
| 2027 | 0.00 | 0.00 | 0.17 |
Lazuli Bunting Survey Routes in Arizona
Lazuli Bunting Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.