Species · BCR 9 · BBS 2025 Release · 1966–2024
Virginia's Warbler In Great Basin
Virginia's Warbler in Great Basin has increased: up 33% on the route-weighted index since 1989.
+33%Since 1989
12Routes In Region
37Years
Notable Signals
No notable trend signals for Virginia's Warbler in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Virginia's Warbler in Great Basin is projected to stay roughly flat through 2029, near 0.07 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±600.9%, with 0% of held-out values landing inside the 95% band.
n/aChange by 2029
0.07Projected 2029 index
0.00–0.1495% range
±600.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.00 | 0.14 |
| 2026 | 0.07 | 0.00 | 0.14 |
| 2027 | 0.07 | 0.00 | 0.14 |
| 2028 | 0.07 | 0.00 | 0.14 |
| 2029 | 0.07 | 0.00 | 0.14 |
Routes In Great Basin
| Austin | NEVADA | 15 | 2018 |
| Comins Lake | NEVADA | 6 | 2016 |
| Almo | IDAHO | 2 | 2023 |
| Meadow Vally | NEVADA | 2 | 2024 |
| Deep Springs | CALIFORNIA | 1 | 2022 |
| Magic Mtn | IDAHO | 1 | 2005 |
| Willis | NEVADA | 1 | 2007 |
| Jarbidge | NEVADA | 1 | 2009 |
| Oak City | UTAH | 1 | 2023 |
| Goshen | UTAH | 1 | 2010 |
| Hardware Ranch | UTAH | 1 | 2011 |
| Newcastle | UTAH | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.