Species · Nevada · BBS 2025 Release · 1966–2024
White-crowned Sparrow Population Trend in Nevada
White-crowned Sparrow in Nevada has declined: down 43% on the route-weighted index since 1973.
-43%Since 1973
16Routes In State
28Years
Notable White-crowned Sparrow Trends in Nevada
No notable trend signals for White-crowned Sparrow in Nevada. See the full index history below.
White-crowned Sparrow Population Forecast in Nevada
If the recent trend holds, White-crowned Sparrow in Nevada is projected to stay roughly flat through 2029, near 0.21 (95% range 0.00–0.69). A 5-year backtest shows a typical error of ±306.2%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.21Projected 2029 index
0.00–0.6995% range
±306.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.21 | 0.00 | 0.69 |
| 2026 | 0.21 | 0.00 | 0.69 |
| 2027 | 0.21 | 0.00 | 0.69 |
| 2028 | 0.21 | 0.00 | 0.69 |
| 2029 | 0.21 | 0.00 | 0.69 |
White-crowned Sparrow Survey Routes in Nevada
| Nelson | 12 | 2003 | 1997 |
| Dinner Sta | 6 | 1993 | 1970 |
| Calico Spr | 3 | 1973 | 1973 |
| Ruby Valley | 3 | 2001 | 2001 |
| Dobbin Creek | 3 | 1996 | 1996 |
| Jarbidge | 2 | 2015 | 1997 |
| Hawthorne | 2 | 2001 | 1997 |
| Ranchogrande | 1 | 2015 | 1995 |
| Bald Mtn. | 1 | 2000 | 1993 |
| Fish Creek | 1 | 2006 | 2004 |
| Comins Lake | 1 | 2011 | 2008 |
| Walker Can | 1 | 1977 | 1977 |
| Humboldt Nf | 1 | 1994 | 1994 |
| Humboldt Nf 2 | 1 | 2024 | 2024 |
| Eureka | 1 | 1972 | 1972 |
| Majors Place | 1 | 1991 | 1991 |
White-crowned Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.