Species · Nevada · BBS 2025 Release · 1966–2024
Crissal Thrasher Population Trend in Nevada
Crissal Thrasher in Nevada has collapsed: down 91% on the route-weighted index since 1976.
-91%Since 1976
5Routes In State
22Years
Notable Crissal Thrasher Trends in Nevada
long arc declinecomputed index
Crissal Thrasher has collapsed in Nevada: down 91% on the route-weighted index since 1976.
Crissal Thrasher Population Forecast in Nevada
If the recent trend holds, Crissal Thrasher in Nevada is projected to fall about 100% by 2027 — from 0.07 in 2022 to a central estimate of 0.00 (95% range 0.00–0.36). A 5-year backtest shows a typical error of ±200.8%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2027
0.00Projected 2027 index
0.00–0.3695% range
±200.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.00 | 0.00 | 0.36 |
| 2024 | 0.00 | 0.00 | 0.36 |
| 2025 | 0.00 | 0.00 | 0.36 |
| 2026 | 0.00 | 0.00 | 0.36 |
| 2027 | 0.00 | 0.00 | 0.36 |
Crissal Thrasher Survey Routes in Nevada
| Desert Nwr | 3 | 2006 | 1990 |
| Beatty | 2 | 2006 | 1995 |
| Jean Lake | 1 | 2010 | 1973 |
| Nelson | 1 | 2018 | 2000 |
| Ash Meadows | 1 | 2022 | 1993 |
Crissal Thrasher Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.