Species · BCR 34 · BBS 2025 Release · 1966–2024
Northern Mockingbird In Sierra Madre Occidental
Northern Mockingbird in Sierra Madre Occidental has edged up: up 11% on the route-weighted index since 1970.
+11%Since 1970
34Routes In Region
56Years
Notable Signals
No notable trend signals for Northern Mockingbird in Sierra Madre Occidental. See the full index history below.
Forecast
If the recent trend holds, Northern Mockingbird in Sierra Madre Occidental is projected to fall about 35% by 2029 — from 24 in 2024 to a central estimate of 16 (95% range 1.7–30). A 5-year backtest shows a typical error of ±22.5%, with 100% of held-out values landing inside the 95% band.
-35%Change by 2029
16Projected 2029 index
1.7–3095% range
±22.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 16 | 2.0 | 30 |
| 2026 | 16 | 1.9 | 30 |
| 2027 | 16 | 1.8 | 30 |
| 2028 | 16 | 1.8 | 30 |
| 2029 | 16 | 1.7 | 30 |
Routes In Sierra Madre Occidental
| Skull Valley | ARIZONA | 74 | 2024 |
| Clay Spring | ARIZONA | 74 | 2024 |
| Sunizona 2 | ARIZONA | 53 | 2024 |
| Bartlett Res | ARIZONA | 42 | 2024 |
| Magdalena | NEW-MEXICO | 32 | 2024 |
| Dragoon | ARIZONA | 28 | 2009 |
| Redington | ARIZONA | 25 | 2023 |
| Vicks Peak | NEW-MEXICO | 24 | 2024 |
| Mcneal | ARIZONA | 22 | 2024 |
| Peña Blanca | ARIZONA | 20 | 2024 |
| Forest Lakes | ARIZONA | 20 | 2024 |
| Carr Mtn | ARIZONA | 17 | 2024 |
| Portal | ARIZONA | 16 | 2024 |
| San Simon | ARIZONA | 15 | 2024 |
| Sunizona | ARIZONA | 14 | 1997 |
| Aztec Peak | ARIZONA | 13 | 1978 |
| Rucker | ARIZONA | 13 | 2009 |
| Sahuarita | ARIZONA | 12 | 2024 |
| Patagonia | ARIZONA | 11 | 2024 |
| Mormon Lake | ARIZONA | 8 | 1975 |
| Reserve | NEW-MEXICO | 7 | 2023 |
| Emory Pass | NEW-MEXICO | 7 | 2023 |
| Pinetop | ARIZONA | 6 | 2022 |
| Amado | ARIZONA | 4 | 2023 |
| Prescott | ARIZONA | 3 | 2022 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.