Species · BCR 28 · BBS 2025 Release · 1966–2024
Canada Warbler In Appalachian Mountains
Canada Warbler in Appalachian Mountains has risen sharply: up 73% on the route-weighted index since 1968.
+73%Since 1968
145Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Canada Warbler has risen sharply in Appalachian Mountains: up 73% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Canada Warbler in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.41 (95% range 0.29–0.54). A 5-year backtest shows a typical error of ±25.9%, with 80% of held-out values landing inside the 95% band.
+2%Change by 2029
0.41Projected 2029 index
0.29–0.5495% range
±25.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.40 | 0.27 | 0.52 |
| 2026 | 0.40 | 0.28 | 0.53 |
| 2027 | 0.41 | 0.28 | 0.53 |
| 2028 | 0.41 | 0.28 | 0.54 |
| 2029 | 0.41 | 0.29 | 0.54 |
Routes In Appalachian Mountains
| Kyle | NORTH-CAROLINA | 11 | 2024 |
| Glade Run 2 | WEST-VIRGINIA | 10 | 2024 |
| French Broad River | NORTH-CAROLINA | 8 | 2024 |
| N. Mills Riv | NORTH-CAROLINA | 7 | 1995 |
| Andrews | NORTH-CAROLINA | 6 | 1998 |
| Cherokee | NORTH-CAROLINA | 6 | 2024 |
| Richwood | WEST-VIRGINIA | 6 | 2024 |
| Linville | NORTH-CAROLINA | 5 | 2024 |
| Marsh Hill | PENNSYLVANIA | 5 | 2024 |
| Starlight | PENNSYLVANIA | 4 | 1992 |
| Duboistown | PENNSYLVANIA | 4 | 2024 |
| Broad Mtn. | PENNSYLVANIA | 4 | 2024 |
| Newfound Gap | TENNESSEE | 4 | 2024 |
| Mountain Lk. | VIRGINIA | 4 | 2018 |
| Glady | WEST-VIRGINIA | 4 | 2024 |
| Poyntelle | PENNSYLVANIA | 3 | 2024 |
| Ansonia | PENNSYLVANIA | 3 | 2023 |
| Cades Cove | TENNESSEE | 3 | 2017 |
| Glade Run | WEST-VIRGINIA | 3 | 2002 |
| Bemis | WEST-VIRGINIA | 3 | 2024 |
| Jennings | MARYLAND | 2 | 2024 |
| S Berne | NEW-YORK | 2 | 2012 |
| Laurens | NEW-YORK | 2 | 2023 |
| Oneonta | NEW-YORK | 2 | 2011 |
| Oxford | NEW-YORK | 2 | 1971 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.