Species · BCR 28 · BBS 2025 Release · 1966–2024
Black Vulture In Appalachian Mountains
Black Vulture in Appalachian Mountains has surged: up 691% on the route-weighted index since 1968.
+691%Since 1968
161Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Black Vulture has surged in Appalachian Mountains: up 691% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Black Vulture in Appalachian Mountains is projected to fall about 19% by 2029 — from 0.57 in 2024 to a central estimate of 0.46 (95% range 0.28–0.65). A 5-year backtest shows a typical error of ±32.4%, with 40% of held-out values landing inside the 95% band.
-19%Change by 2029
0.46Projected 2029 index
0.28–0.6595% range
±32.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.43 | 0.24 | 0.61 |
| 2026 | 0.44 | 0.25 | 0.62 |
| 2027 | 0.45 | 0.26 | 0.63 |
| 2028 | 0.46 | 0.27 | 0.64 |
| 2029 | 0.46 | 0.28 | 0.65 |
Routes In Appalachian Mountains
| Stevenson | ALABAMA | 19 | 2024 |
| Greensport | ALABAMA | 16 | 2024 |
| Williamsport | MARYLAND | 16 | 2024 |
| Star Tannery | VIRGINIA | 13 | 2023 |
| Landisburg | PENNSYLVANIA | 10 | 2017 |
| Blacksburg | VIRGINIA | 10 | 2019 |
| Mohican S.F. | OHIO | 9 | 2022 |
| Drehersville 2 | PENNSYLVANIA | 7 | 2021 |
| Smoot | WEST-VIRGINIA | 7 | 2019 |
| Bolins Mills | OHIO | 6 | 2024 |
| Jones Gap | TENNESSEE | 6 | 2019 |
| Saltville | VIRGINIA | 6 | 2024 |
| Drummond | ALABAMA | 5 | 2024 |
| Sunnybrook | KENTUCKY | 5 | 2019 |
| Sturgills | NORTH-CAROLINA | 5 | 2024 |
| Omega | OHIO | 5 | 2024 |
| Jefferson Cty | TENNESSEE | 5 | 2011 |
| Jerome | VIRGINIA | 5 | 2023 |
| Brooksville | ALABAMA | 4 | 2023 |
| Smithsburg | MARYLAND | 4 | 2012 |
| Westbrookvle | NEW-YORK | 4 | 2018 |
| Ryde | PENNSYLVANIA | 4 | 2003 |
| Peru Mills | PENNSYLVANIA | 4 | 2017 |
| Doylesburg | PENNSYLVANIA | 4 | 2023 |
| Berwick | PENNSYLVANIA | 4 | 2022 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.