Species · Utah · BBS 2025 Release · 1966–2024
Black Phoebe Population Trend in Utah
Black Phoebe in Utah has collapsed: down 90% on the route-weighted index since 1995.
-90%Since 1995
11Routes In State
24Years
Notable Black Phoebe Trends in Utah
long arc declinecomputed index
Black Phoebe has collapsed in Utah: down 90% on the route-weighted index since 1995.
Black Phoebe Population Forecast in Utah
If the recent trend holds, Black Phoebe in Utah is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±534.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.2595% range
±534.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.25 |
| 2026 | 0.00 | 0.00 | 0.25 |
| 2027 | 0.00 | 0.00 | 0.25 |
| 2028 | 0.00 | 0.00 | 0.25 |
| 2029 | 0.00 | 0.00 | 0.25 |
Black Phoebe Survey Routes in Utah
Black Phoebe Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.