Species · BCR 16 · BBS 2025 Release · 1966–2024
Lewis's Woodpecker In Southern Rockies / Colorado Plateau
Lewis's Woodpecker in Southern Rockies / Colorado Plateau has fallen sharply: down 59% on the route-weighted index since 1970.
-59%Since 1970
58Routes In Region
54Years
Notable Signals
long arc declinecomputed index
Lewis's Woodpecker has fallen sharply in Southern Rockies / Colorado Plateau: down 59% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Lewis's Woodpecker in Southern Rockies / Colorado Plateau is projected to fall about 64% by 2029 — from 0.17 in 2024 to a central estimate of 0.06 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±44.3%, with 100% of held-out values landing inside the 95% band.
-64%Change by 2029
0.06Projected 2029 index
0.00–0.2395% range
±44.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.07 | 0.00 | 0.24 |
| 2026 | 0.07 | 0.00 | 0.24 |
| 2027 | 0.07 | 0.00 | 0.23 |
| 2028 | 0.07 | 0.00 | 0.23 |
| 2029 | 0.06 | 0.00 | 0.23 |
Routes In Southern Rockies / Colorado Plateau
| Colona 2 | COLORADO | 6 | 2021 |
| Piedra | COLORADO | 6 | 2024 |
| Angel Fire 2 | NEW-MEXICO | 5 | 2024 |
| Dolores | COLORADO | 4 | 1984 |
| Blackhead Pk | COLORADO | 4 | 2019 |
| Aspen | COLORADO | 3 | 2023 |
| Uncompahgre | COLORADO | 3 | 2024 |
| Gardner | COLORADO | 3 | 2024 |
| Greasewood | ARIZONA | 2 | 1996 |
| Tsaile | ARIZONA | 2 | 1993 |
| Colona | COLORADO | 2 | 2014 |
| Parlin | COLORADO | 2 | 2005 |
| Castleton | COLORADO | 2 | 2021 |
| Paonia | COLORADO | 2 | 2018 |
| Cokedale | COLORADO | 2 | 1998 |
| Gribbles Prk | COLORADO | 2 | 2009 |
| Mcphee Res. | COLORADO | 2 | 2024 |
| Horse Spgs | NEW-MEXICO | 2 | 1996 |
| Angel Fire | NEW-MEXICO | 2 | 2001 |
| Beaver | UTAH | 2 | 2023 |
| Jensen | UTAH | 2 | 2000 |
| Dixie Nf | UTAH | 2 | 1997 |
| House Rock | ARIZONA | 1 | 2004 |
| Round Rock | ARIZONA | 1 | 1976 |
| Sawmill | ARIZONA | 1 | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.