Species · BCR 28 · BBS 2025 Release · 1966–2024
Louisiana Waterthrush In Appalachian Mountains
Louisiana Waterthrush in Appalachian Mountains has surged: up 129% on the route-weighted index since 1968.
+129%Since 1968
340Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Louisiana Waterthrush has surged in Appalachian Mountains: up 129% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Louisiana Waterthrush in Appalachian Mountains is projected to stay roughly flat through 2029, near 1.1 (95% range 0.92–1.4). A 5-year backtest shows a typical error of ±15.2%, with 60% of held-out values landing inside the 95% band.
-7%Change by 2029
1.1Projected 2029 index
0.92–1.495% range
±15.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.1 | 0.88 | 1.3 |
| 2026 | 1.1 | 0.89 | 1.3 |
| 2027 | 1.1 | 0.90 | 1.3 |
| 2028 | 1.1 | 0.91 | 1.3 |
| 2029 | 1.1 | 0.92 | 1.4 |
Routes In Appalachian Mountains
| Cumberlnd Gp | KENTUCKY | 10 | 2018 |
| Stollings | WEST-VIRGINIA | 9 | 2021 |
| Meadowville | WEST-VIRGINIA | 9 | 2024 |
| Zaleski S.F. | OHIO | 8 | 2024 |
| Willis Sprng | TENNESSEE | 8 | 2022 |
| Rural Retrt | VIRGINIA | 8 | 2024 |
| Glenwood | VIRGINIA | 8 | 2023 |
| Ghent | WEST-VIRGINIA | 8 | 2024 |
| Denmar | WEST-VIRGINIA | 8 | 2024 |
| Lost River | WEST-VIRGINIA | 8 | 2021 |
| Bowden | WEST-VIRGINIA | 8 | 2024 |
| Covington | VIRGINIA | 7 | 2024 |
| Rio | WEST-VIRGINIA | 7 | 1995 |
| Dover | NEW-JERSEY | 6 | 2018 |
| Laurel Hill | PENNSYLVANIA | 6 | 2024 |
| Natural Brid | VIRGINIA | 6 | 2024 |
| Beattyville 2 | KENTUCKY | 5 | 2024 |
| Wolfsville | MARYLAND | 5 | 2024 |
| Piney Grove | MARYLAND | 5 | 2024 |
| Mohican S.F. | OHIO | 5 | 2024 |
| Ravensburg | PENNSYLVANIA | 5 | 1975 |
| Tellico | TENNESSEE | 5 | 2024 |
| Bald Knob | VIRGINIA | 5 | 2024 |
| Olcott | WEST-VIRGINIA | 5 | 2023 |
| Valley Head | WEST-VIRGINIA | 5 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.