Species · BCR 28 · BBS 2025 Release · 1966–2024
Hooded Merganser In Appalachian Mountains
Hooded Merganser in Appalachian Mountains has held roughly steady: down 10% on the route-weighted index since 1982.
-10%Since 1982
37Routes In Region
33Years
Notable Signals
No notable trend signals for Hooded Merganser in Appalachian Mountains. See the full index history below.
Forecast
If the recent trend holds, Hooded Merganser in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.03). A 5-year backtest shows a typical error of ±92.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.0395% range
±92.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.03 |
| 2026 | 0.01 | 0.00 | 0.03 |
| 2027 | 0.01 | 0.00 | 0.03 |
| 2028 | 0.01 | 0.00 | 0.03 |
| 2029 | 0.01 | 0.00 | 0.03 |
Routes In Appalachian Mountains
| S Vandalia | NEW-YORK | 2 | 2003 |
| Dresden | OHIO | 2 | 2017 |
| Rush | PENNSYLVANIA | 2 | 2007 |
| Bow Bridge | PENNSYLVANIA | 2 | 2017 |
| Susquehanna | PENNSYLVANIA | 2 | 2021 |
| Pine Gr Mill | PENNSYLVANIA | 2 | 2016 |
| Landisburg | PENNSYLVANIA | 2 | 2014 |
| Lovelton | PENNSYLVANIA | 2 | 2021 |
| Pine Grove | ALABAMA | 1 | 1993 |
| Cumberlnd Gp | KENTUCKY | 1 | 1966 |
| Williamsport | MARYLAND | 1 | 2019 |
| S Berne | NEW-YORK | 1 | 2011 |
| Laurens | NEW-YORK | 1 | 2015 |
| Whitney Pt | NEW-YORK | 1 | 2016 |
| Coventryvile | NEW-YORK | 1 | 2023 |
| Mcdonough | NEW-YORK | 1 | 2010 |
| E Newark | NEW-YORK | 1 | 2003 |
| Dryden | NEW-YORK | 1 | 2024 |
| Vestal Ctr | NEW-YORK | 1 | 2006 |
| Cattaraugus | NEW-YORK | 1 | 1990 |
| Milford | NEW-YORK | 1 | 2014 |
| S Berne 2 | NEW-YORK | 1 | 2014 |
| Oxford 2 | NEW-YORK | 1 | 2006 |
| Pomeroy | OHIO | 1 | 2021 |
| Lynch | PENNSYLVANIA | 1 | 1998 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.