Species · BCR 16 · BBS 2025 Release · 1966–2024
Chihuahuan Raven In Southern Rockies / Colorado Plateau
Chihuahuan Raven in Southern Rockies / Colorado Plateau has declined: down 44% on the route-weighted index since 1981.
-44%Since 1981
12Routes In Region
41Years
Notable Signals
No notable trend signals for Chihuahuan Raven in Southern Rockies / Colorado Plateau. See the full index history below.
Forecast
If the recent trend holds, Chihuahuan Raven in Southern Rockies / Colorado Plateau is projected to rise about 203% by 2029 — from 0.11 in 2024 to a central estimate of 0.33 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±911.7%, with 100% of held-out values landing inside the 95% band.
+203%Change by 2029
0.33Projected 2029 index
0.00–1.095% range
±911.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.35 | 0.00 | 1.1 |
| 2026 | 0.34 | 0.00 | 1.0 |
| 2027 | 0.34 | 0.00 | 1.0 |
| 2028 | 0.33 | 0.00 | 1.0 |
| 2029 | 0.33 | 0.00 | 1.0 |
Routes In Southern Rockies / Colorado Plateau
| Mountainair | NEW-MEXICO | 13 | 2023 |
| Pastura | NEW-MEXICO | 10 | 2024 |
| Claunch 2 | NEW-MEXICO | 9 | 2014 |
| The Gap | ARIZONA | 7 | 1973 |
| Valencia | NEW-MEXICO | 7 | 1997 |
| Corona East | NEW-MEXICO | 7 | 1995 |
| Claunch | NEW-MEXICO | 6 | 1999 |
| Torreon | NEW-MEXICO | 5 | 2013 |
| Gardner | COLORADO | 2 | 2024 |
| Fence Lake | NEW-MEXICO | 1 | 2024 |
| Horse Mtn | NEW-MEXICO | 1 | 2024 |
| Gallo Arroyo | NEW-MEXICO | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.