Species · BCR 29 · BBS 2025 Release · 1966–2024
Northern Mockingbird In Piedmont
Northern Mockingbird in Piedmont has declined: down 35% on the route-weighted index since 1968.
-35%Since 1968
170Routes In Region
58Years
Notable Signals
No notable trend signals for Northern Mockingbird in Piedmont. See the full index history below.
Forecast
If the recent trend holds, Northern Mockingbird in Piedmont is projected to stay roughly flat through 2029, near 22 (95% range 17–28). A 5-year backtest shows a typical error of ±9%, with 100% of held-out values landing inside the 95% band.
-10%Change by 2029
22Projected 2029 index
17–2895% range
±9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 23 | 17 | 28 |
| 2026 | 23 | 17 | 28 |
| 2027 | 23 | 17 | 28 |
| 2028 | 23 | 17 | 28 |
| 2029 | 22 | 17 | 28 |
Routes In Piedmont
| Mooresville | NORTH-CAROLINA | 70 | 2001 |
| Lincolnton | GEORGIA | 62 | 2017 |
| Earlton | MARYLAND | 60 | 2024 |
| Maxeys | GEORGIA | 58 | 2024 |
| Ijamsville | MARYLAND | 57 | 2024 |
| Cherryville | NORTH-CAROLINA | 54 | 1968 |
| Rock Branch | GEORGIA | 52 | 2024 |
| Pendleton | SOUTH-CAROLINA | 52 | 1976 |
| Lincolnton 2 | GEORGIA | 51 | 2024 |
| Bald Friar | MARYLAND | 51 | 1996 |
| Candler | GEORGIA | 50 | 2024 |
| Olney | MARYLAND | 50 | 2024 |
| Boiling Spgs | SOUTH-CAROLINA | 50 | 1979 |
| Madonna | MARYLAND | 49 | 2022 |
| Wilgrove | NORTH-CAROLINA | 47 | 2024 |
| Anderson | SOUTH-CAROLINA | 47 | 2018 |
| Monticello | NORTH-CAROLINA | 46 | 2024 |
| Ostwalt | NORTH-CAROLINA | 46 | 2024 |
| Brandy Station | VIRGINIA | 45 | 2024 |
| Sheffield | NORTH-CAROLINA | 44 | 2024 |
| Great Falls | VIRGINIA | 44 | 1978 |
| Metasville | GEORGIA | 43 | 2000 |
| Climax | NORTH-CAROLINA | 42 | 2024 |
| Upper Xrds | MARYLAND | 40 | 2008 |
| Campobello | SOUTH-CAROLINA | 40 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.