Species · BCR 35 · BBS 2025 Release · 1966–2024
Virginia's Warbler In Chihuahuan Desert
Virginia's Warbler in Chihuahuan Desert has collapsed: down 82% on the route-weighted index since 1980.
-82%Since 1980
3Routes In Region
39Years
Notable Signals
long arc declinecomputed index
Virginia's Warbler has collapsed in Chihuahuan Desert: down 82% on the route-weighted index since 1980.
Forecast
If the recent trend holds, Virginia's Warbler in Chihuahuan Desert is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.30). A 5-year backtest shows a typical error of ±213.2%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.06Projected 2029 index
0.00–0.3095% range
±213.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.08 | 0.00 | 0.32 |
| 2026 | 0.08 | 0.00 | 0.32 |
| 2027 | 0.07 | 0.00 | 0.31 |
| 2028 | 0.07 | 0.00 | 0.30 |
| 2029 | 0.06 | 0.00 | 0.30 |
Routes In Chihuahuan Desert
| Carrizozo | NEW-MEXICO | 2 | 2013 |
| Cloudcroft | NEW-MEXICO | 1 | 2024 |
| Pinon | NEW-MEXICO | 1 | 2016 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.