Species · BCR 34 · BBS 2025 Release · 1966–2024
Brown-crested Flycatcher In Sierra Madre Occidental
Brown-crested Flycatcher in Sierra Madre Occidental has surged: up 492% on the route-weighted index since 1971.
+492%Since 1971
18Routes In Region
55Years
Notable Signals
long arc increasecomputed index
Brown-crested Flycatcher has surged in Sierra Madre Occidental: up 492% on the route-weighted index since 1971.
Forecast
If the recent trend holds, Brown-crested Flycatcher in Sierra Madre Occidental is projected to rise about 23% by 2029 — from 7.3 in 2024 to a central estimate of 8.9 (95% range 6.0–12). A 5-year backtest shows a typical error of ±46.5%, with 60% of held-out values landing inside the 95% band.
+23%Change by 2029
8.9Projected 2029 index
6.0–1295% range
±46.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 8.4 | 5.4 | 11 |
| 2026 | 8.6 | 5.6 | 12 |
| 2027 | 8.7 | 5.7 | 12 |
| 2028 | 8.8 | 5.8 | 12 |
| 2029 | 8.9 | 6.0 | 12 |
Routes In Sierra Madre Occidental
| Redington | ARIZONA | 47 | 2023 |
| Patagonia | ARIZONA | 27 | 2024 |
| Carr Mtn | ARIZONA | 27 | 2024 |
| Bartlett Res | ARIZONA | 21 | 2024 |
| Portal | ARIZONA | 20 | 2024 |
| Pomerene | ARIZONA | 19 | 2024 |
| Sahuarita | ARIZONA | 6 | 2024 |
| Sunizona 2 | ARIZONA | 6 | 2024 |
| Amado | ARIZONA | 5 | 2023 |
| Peña Blanca | ARIZONA | 4 | 2024 |
| Emory Pass | NEW-MEXICO | 3 | 1995 |
| Prescott | ARIZONA | 1 | 1979 |
| Aztec Peak | ARIZONA | 1 | 1977 |
| San Simon | ARIZONA | 1 | 2010 |
| Sunizona | ARIZONA | 1 | 1980 |
| Skull Valley | ARIZONA | 1 | 2024 |
| Mcneal | ARIZONA | 1 | 2005 |
| Rucker | ARIZONA | 1 | 2008 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.