Species · Nevada · BBS 2025 Release · 1966–2024
Rock Wren Population Trend in Nevada
Rock Wren in Nevada has surged: up 473% on the route-weighted index since 1970.
+473%Since 1970
48Routes In State
51Years
Notable Rock Wren Trends in Nevada
long arc increasecomputed index
Rock Wren has surged in Nevada: up 473% on the route-weighted index since 1970.
Rock Wren Population Forecast in Nevada
If the recent trend holds, Rock Wren in Nevada is projected to rise about 19% by 2029 — from 4.2 in 2024 to a central estimate of 5.0 (95% range 1.8–8.2). A 5-year backtest shows a typical error of ±98.2%, with 60% of held-out values landing inside the 95% band.
+19%Change by 2029
5.0Projected 2029 index
1.8–8.295% range
±98.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.7 | 1.5 | 7.9 |
| 2026 | 4.8 | 1.6 | 8.0 |
| 2027 | 4.9 | 1.7 | 8.1 |
| 2028 | 4.9 | 1.7 | 8.1 |
| 2029 | 5.0 | 1.8 | 8.2 |
Rock Wren Survey Routes in Nevada
| Bald Mtn. | 31 | 2024 | 1992 |
| Meadow Vally | 19 | 2024 | 1996 |
| Fish Creek | 15 | 2021 | 1997 |
| Sand Pass | 13 | 2024 | 1989 |
| Virgin Creek | 12 | 2018 | 1995 |
| Ranchogrande | 10 | 2024 | 1990 |
| Oreana | 10 | 2003 | 2002 |
| Humboldt Nf 2 | 7 | 2024 | 2021 |
| Hawthorne | 7 | 2001 | 1997 |
| Piute Mdws | 6 | 2024 | 2005 |
| Jean Lake | 5 | 2010 | 1973 |
| Nelson | 5 | 2024 | 1995 |
| Charleston Reservoir | 5 | 2024 | 2024 |
| Humboldt Nf | 5 | 2019 | 1993 |
| Sheldon Nwr | 5 | 2019 | 1992 |
| Midas | 4 | 2024 | 1990 |
| Desert Nwr | 4 | 2024 | 1990 |
| Gardnerville | 4 | 2012 | 1996 |
| Hiko | 4 | 2023 | 1968 |
| Austin | 4 | 2015 | 2015 |
| Calico Spr | 3 | 1974 | 1971 |
| Mizpah | 3 | 2016 | 2016 |
| Toiyabe Nf | 3 | 2024 | 1987 |
| Beatty | 3 | 2024 | 2010 |
| Jarbidge | 3 | 2015 | 1997 |
Rock Wren Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.