Species · BCR 16 · BBS 2025 Release · 1966–2024
Virginia's Warbler In Southern Rockies / Colorado Plateau
Virginia's Warbler in Southern Rockies / Colorado Plateau has surged: up 114% on the route-weighted index since 1970.
+114%Since 1970
120Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Virginia's Warbler has surged in Southern Rockies / Colorado Plateau: up 114% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Virginia's Warbler in Southern Rockies / Colorado Plateau is projected to fall about 14% by 2029 — from 2.1 in 2024 to a central estimate of 1.8 (95% range 1.1–2.6). A 5-year backtest shows a typical error of ±38.1%, with 80% of held-out values landing inside the 95% band.
-14%Change by 2029
1.8Projected 2029 index
1.1–2.695% range
±38.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.8 | 1.0 | 2.5 |
| 2026 | 1.8 | 1.0 | 2.5 |
| 2027 | 1.8 | 1.0 | 2.5 |
| 2028 | 1.8 | 1.1 | 2.5 |
| 2029 | 1.8 | 1.1 | 2.6 |
Routes In Southern Rockies / Colorado Plateau
| Mesaverde Np | COLORADO | 40 | 2024 |
| Baxter Pass | COLORADO | 35 | 2024 |
| Douglas Pass | COLORADO | 24 | 2024 |
| Yellowjacket Pass | COLORADO | 21 | 2024 |
| Angora | COLORADO | 19 | 2024 |
| Gallinas | NEW-MEXICO | 17 | 2021 |
| Nucla | COLORADO | 12 | 2024 |
| Cebolla | NEW-MEXICO | 12 | 2023 |
| Buford | COLORADO | 10 | 2024 |
| Wilson Creek | COLORADO | 10 | 2024 |
| Angel Fire | NEW-MEXICO | 10 | 2002 |
| Ludlow | COLORADO | 9 | 2016 |
| Beck 2 | UTAH | 9 | 2018 |
| Ragged Mtn. | COLORADO | 8 | 2019 |
| Gribbles Prk | COLORADO | 8 | 2024 |
| Delta | COLORADO | 7 | 2021 |
| Black Sulphur Cr | COLORADO | 7 | 2024 |
| Cheesman Lk | COLORADO | 6 | 2024 |
| Rosevale | COLORADO | 6 | 2023 |
| Cokedale | COLORADO | 6 | 2024 |
| Vallecitos | NEW-MEXICO | 6 | 2024 |
| Dolores Riv | COLORADO | 5 | 2024 |
| Marshall Pas | COLORADO | 5 | 2002 |
| Cortez 2 | COLORADO | 5 | 2017 |
| Stinking Lk. | NEW-MEXICO | 5 | 1999 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.