Species · Nevada · BBS 2025 Release · 1966–2024
Bell's Vireo Population Trend in Nevada
Bell's Vireo in Nevada has declined: down 33% on the route-weighted index since 1996.
-33%Since 1996
4Routes In State
19Years
Notable Bell's Vireo Trends in Nevada
No notable trend signals for Bell's Vireo in Nevada. See the full index history below.
Bell's Vireo Population Forecast in Nevada
If the recent trend holds, Bell's Vireo in Nevada is projected to fall about 76% by 2029 — from 0.21 in 2024 to a central estimate of 0.05 (95% range 0.00–0.27). A 5-year backtest shows a typical error of ±77.5%, with 100% of held-out values landing inside the 95% band.
-76%Change by 2029
0.05Projected 2029 index
0.00–0.2795% range
±77.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.00 | 0.28 |
| 2026 | 0.06 | 0.00 | 0.28 |
| 2027 | 0.06 | 0.00 | 0.27 |
| 2028 | 0.05 | 0.00 | 0.27 |
| 2029 | 0.05 | 0.00 | 0.27 |
Bell's Vireo Survey Routes in Nevada
| Meadow Vally | 5 | 2024 | 1996 |
| Nelson | 1 | 2002 | 2002 |
| Ash Meadows | 1 | 2024 | 1994 |
| Hiko | 1 | 2007 | 2002 |
Bell's Vireo Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.