Species · Virginia · BBS 2025 Release · 1966–2024
Savannah Sparrow Population Trend in Virginia
Savannah Sparrow in Virginia has fallen sharply: down 59% on the route-weighted index since 1982.
-59%Since 1982
11Routes In State
36Years
Notable Savannah Sparrow Trends in Virginia
long arc declinecomputed index
Savannah Sparrow has fallen sharply in Virginia: down 59% on the route-weighted index since 1982.
Savannah Sparrow Population Forecast in Virginia
If the recent trend holds, Savannah Sparrow in Virginia is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±100.8%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.1095% range
±100.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.02 | 0.00 | 0.10 |
| 2026 | 0.02 | 0.00 | 0.10 |
| 2027 | 0.01 | 0.00 | 0.10 |
| 2028 | 0.01 | 0.00 | 0.10 |
| 2029 | 0.01 | 0.00 | 0.10 |
Savannah Sparrow Survey Routes in Virginia
| Taylorstown | 7 | 1985 | 1973 |
| Cape Charles | 3 | 1999 | 1999 |
| Stanley | 2 | 1966 | 1966 |
| Rural Retrt | 2 | 2014 | 1994 |
| Covington | 2 | 1982 | 1982 |
| W Augusta | 1 | 2009 | 2000 |
| Churchville | 1 | 2024 | 1966 |
| Hebron | 1 | 2004 | 1990 |
| Colonial Pky | 1 | 1997 | 1997 |
| Blacksburg | 1 | 2009 | 2001 |
| Carters Brdg | 1 | 1973 | 1973 |
Savannah Sparrow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.