Species · BCR 27 · BBS 2025 Release · 1966–2024
Song Sparrow In Southeastern Coastal Plain
Song Sparrow in Southeastern Coastal Plain has fallen sharply: down 53% on the route-weighted index since 1968.
-53%Since 1968
47Routes In Region
57Years
Notable Signals
long arc declinecomputed index
Song Sparrow has fallen sharply in Southeastern Coastal Plain: down 53% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Song Sparrow in Southeastern Coastal Plain is projected to fall about 53% by 2029 — from 0.06 in 2024 to a central estimate of 0.03 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±30.6%, with 100% of held-out values landing inside the 95% band.
-53%Change by 2029
0.03Projected 2029 index
0.00–0.1095% range
±30.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.11 |
| 2026 | 0.03 | 0.00 | 0.11 |
| 2027 | 0.03 | 0.00 | 0.11 |
| 2028 | 0.03 | 0.00 | 0.10 |
| 2029 | 0.03 | 0.00 | 0.10 |
Routes In Southeastern Coastal Plain
| Backbay | VIRGINIA | 12 | 1974 |
| Lloyd Xroads | NORTH-CAROLINA | 9 | 1992 |
| Hamlet | NORTH-CAROLINA | 8 | 1999 |
| Minter Tweed | GEORGIA | 6 | 2006 |
| Pungo | VIRGINIA | 6 | 2024 |
| Workmore | GEORGIA | 5 | 1981 |
| Sweetlips | TENNESSEE | 5 | 1997 |
| St Florian | ALABAMA | 4 | 2024 |
| Jamesville | NORTH-CAROLINA | 4 | 2006 |
| Roseboro | NORTH-CAROLINA | 4 | 2003 |
| Tazewell | GEORGIA | 3 | 1991 |
| Rose | NORTH-CAROLINA | 3 | 2003 |
| Rheasville | NORTH-CAROLINA | 3 | 2017 |
| Hardeeville | SOUTH-CAROLINA | 3 | 1972 |
| Cornland | VIRGINIA | 3 | 2006 |
| Deepstep | GEORGIA | 2 | 2006 |
| Corinth | MISSISSIPPI | 2 | 2016 |
| Tupelo | MISSISSIPPI | 2 | 2009 |
| Cypress Lakes | NORTH-CAROLINA | 2 | 2008 |
| Bishopville | SOUTH-CAROLINA | 2 | 1992 |
| Brownsville | TENNESSEE | 2 | 2006 |
| Autaugaville | ALABAMA | 1 | 1998 |
| Cuthbert | GEORGIA | 1 | 2012 |
| Lyons | GEORGIA | 1 | 1994 |
| Wrightsville | GEORGIA | 1 | 1988 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.