Species · Nevada · BBS 2025 Release · 1966–2024
Song Sparrow Population Trend in Nevada
Song Sparrow in Nevada has surged: up 153% on the route-weighted index since 1972.
+153%Since 1972
34Routes In State
44Years
Notable Song Sparrow Trends in Nevada
long arc increasecomputed index
Song Sparrow has surged in Nevada: up 153% on the route-weighted index since 1972.
Song Sparrow Population Forecast in Nevada
If the recent trend holds, Song Sparrow in Nevada is projected to fall about 33% by 2029 — from 2.9 in 2024 to a central estimate of 2.0 (95% range 0.07–3.9). A 5-year backtest shows a typical error of ±97.8%, with 100% of held-out values landing inside the 95% band.
-33%Change by 2029
2.0Projected 2029 index
0.07–3.995% range
±97.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.9 | 0.00 | 3.8 |
| 2026 | 1.9 | 0.02 | 3.8 |
| 2027 | 1.9 | 0.03 | 3.9 |
| 2028 | 2.0 | 0.05 | 3.9 |
| 2029 | 2.0 | 0.07 | 3.9 |
Song Sparrow Survey Routes in Nevada
| Meadow Vally | 36 | 2024 | 1996 |
| Humboldt Nf 2 | 14 | 2024 | 2021 |
| Toiyabe Nf | 11 | 2024 | 1987 |
| Chimney Res. | 9 | 2024 | 2015 |
| Humboldt Nf | 7 | 2019 | 1993 |
| Ruby Valley | 6 | 2001 | 1997 |
| Virgin Creek | 6 | 2018 | 1995 |
| Eureka | 5 | 2022 | 2009 |
| Gardnerville | 5 | 2012 | 1992 |
| Rye Patch | 4 | 1987 | 1987 |
| Walker Can | 4 | 2013 | 1968 |
| Carson River | 4 | 2002 | 2001 |
| Hiko | 4 | 2023 | 1968 |
| Fallon | 4 | 2024 | 1992 |
| Majors Place | 3 | 2005 | 1990 |
| Jarbidge | 3 | 2014 | 1997 |
| Calico Spr | 2 | 1974 | 1974 |
| Ranchogrande | 2 | 2023 | 1991 |
| Comins Lake | 2 | 2016 | 2005 |
| Fish Creek | 2 | 2021 | 1997 |
| Austin | 2 | 2016 | 2008 |
| Ruby Valley 2 | 2 | 2024 | 2004 |
| Willis | 2 | 2024 | 1988 |
| Minerva | 2 | 2022 | 1989 |
| Midas | 1 | 2024 | 1998 |
Song Sparrow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.