Species · BCR 34 · BBS 2025 Release · 1966–2024
Common Yellowthroat In Sierra Madre Occidental
Common Yellowthroat in Sierra Madre Occidental has collapsed: down 91% on the route-weighted index since 1970.
-91%Since 1970
14Routes In Region
53Years
Notable Signals
long arc declinecomputed index
Common Yellowthroat has collapsed in Sierra Madre Occidental: down 91% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Common Yellowthroat in Sierra Madre Occidental is projected to fall about 100% by 2029 — from 0.22 in 2024 to a central estimate of 0.00 (95% range 0.00–0.68). A 5-year backtest shows a typical error of ±44.8%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–0.6895% range
±44.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.70 |
| 2026 | 0.00 | 0.00 | 0.68 |
| 2027 | 0.00 | 0.00 | 0.68 |
| 2028 | 0.00 | 0.00 | 0.68 |
| 2029 | 0.00 | 0.00 | 0.68 |
Routes In Sierra Madre Occidental
| Skull Valley | ARIZONA | 3 | 2024 |
| Sunizona | ARIZONA | 2 | 1980 |
| Prescott | ARIZONA | 1 | 2003 |
| Pomerene | ARIZONA | 1 | 2024 |
| San Simon | ARIZONA | 1 | 1984 |
| Peña Blanca | ARIZONA | 1 | 1978 |
| Patagonia | ARIZONA | 1 | 2022 |
| Tonto Vill. | ARIZONA | 1 | 1992 |
| Bartlett Res | ARIZONA | 1 | 2016 |
| Alpine | ARIZONA | 1 | 2008 |
| Redington | ARIZONA | 1 | 2009 |
| Amado | ARIZONA | 1 | 2016 |
| Carr Mtn | ARIZONA | 1 | 2023 |
| Sprucedale | ARIZONA | 1 | 2006 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.