Species · BCR 29 · BBS 2025 Release · 1966–2024
Bachman's Sparrow In Piedmont
Bachman's Sparrow in Piedmont has declined: down 43% on the route-weighted index since 1968.
-43%Since 1968
22Routes In Region
38Years
Notable Signals
No notable trend signals for Bachman's Sparrow in Piedmont. See the full index history below.
Forecast
If the recent trend holds, Bachman's Sparrow in Piedmont is projected to stay roughly flat through 2014, near 0.09 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±530.7%, with 60% of held-out values landing inside the 95% band.
n/aChange by 2014
0.09Projected 2014 index
0.00–0.2195% range
±530.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2010 | 0.09 | 0.00 | 0.21 |
| 2011 | 0.09 | 0.00 | 0.21 |
| 2012 | 0.09 | 0.00 | 0.21 |
| 2013 | 0.09 | 0.00 | 0.21 |
| 2014 | 0.09 | 0.00 | 0.21 |
Routes In Piedmont
| Piedmont Nwr | GEORGIA | 5 | 2003 |
| Grovetown | GEORGIA | 4 | 1988 |
| Forsyth | GEORGIA | 3 | 1994 |
| Rutledge | GEORGIA | 3 | 1981 |
| Lanett | ALABAMA | 2 | 2003 |
| Cherryville | NORTH-CAROLINA | 2 | 1968 |
| Pendleton | SOUTH-CAROLINA | 2 | 1970 |
| Plum Branch | SOUTH-CAROLINA | 2 | 1992 |
| Brodnax | VIRGINIA | 2 | 1989 |
| Nixburg 2 | ALABAMA | 1 | 2009 |
| Crest | GEORGIA | 1 | 1987 |
| Lincolnton | GEORGIA | 1 | 1987 |
| Hollonville | GEORGIA | 1 | 1976 |
| Siloam | GEORGIA | 1 | 1992 |
| Stockbridge | GEORGIA | 1 | 1984 |
| Washington | GEORGIA | 1 | 1986 |
| Metasville | GEORGIA | 1 | 1998 |
| Arcola | NORTH-CAROLINA | 1 | 1985 |
| Little Mtn | SOUTH-CAROLINA | 1 | 1985 |
| Salem Xrd | SOUTH-CAROLINA | 1 | 2005 |
| Cauthens Xrd | SOUTH-CAROLINA | 1 | 1985 |
| Mannboro | VIRGINIA | 1 | 1999 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.