Species · BCR 34 · BBS 2025 Release · 1966–2024
Mexican Whip-poor-will In Sierra Madre Occidental
Mexican Whip-poor-will in Sierra Madre Occidental has edged up: up 22% on the route-weighted index since 1995.
+22%Since 1995
8Routes In Region
20Years
Notable Signals
No notable trend signals for Mexican Whip-poor-will in Sierra Madre Occidental. See the full index history below.
Forecast
If the recent trend holds, Mexican Whip-poor-will in Sierra Madre Occidental is projected to fall about 56% by 2028 — from 0.23 in 2023 to a central estimate of 0.10 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±67.9%, with 80% of held-out values landing inside the 95% band.
-56%Change by 2028
0.10Projected 2028 index
0.00–0.2395% range
±67.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.10 | 0.00 | 0.23 |
| 2025 | 0.10 | 0.00 | 0.23 |
| 2026 | 0.10 | 0.00 | 0.23 |
| 2027 | 0.10 | 0.00 | 0.23 |
| 2028 | 0.10 | 0.00 | 0.23 |
Routes In Sierra Madre Occidental
| Mt. Graham | ARIZONA | 4 | 2023 |
| Reserve | NEW-MEXICO | 2 | 2007 |
| Blue | ARIZONA | 1 | 1990 |
| Tonto Vill. | ARIZONA | 1 | 2013 |
| Alpine | ARIZONA | 1 | 2018 |
| Sprucedale | ARIZONA | 1 | 2023 |
| Dragoon | ARIZONA | 1 | 2005 |
| Emory Pass | NEW-MEXICO | 1 | 2003 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.