Species · BCR 13 · BBS 2025 Release · 1966–2024
Hooded Warbler In Lower Great Lakes / St. Lawrence Plain
Hooded Warbler in Lower Great Lakes / St. Lawrence Plain has surged: up 18× on the route-weighted index since 1968.
18×Since 1968
46Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Hooded Warbler has surged in Lower Great Lakes / St. Lawrence Plain: up 18× on the route-weighted index since 1968.
Forecast
If the recent trend holds, Hooded Warbler in Lower Great Lakes / St. Lawrence Plain is projected to rise about 96% by 2029 — from 0.75 in 2024 to a central estimate of 1.5 (95% range 1.0–1.9). A 5-year backtest shows a typical error of ±81.4%, with 0% of held-out values landing inside the 95% band.
+96%Change by 2029
1.5Projected 2029 index
1.0–1.995% range
±81.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.4 | 0.93 | 1.8 |
| 2026 | 1.4 | 0.96 | 1.8 |
| 2027 | 1.4 | 0.98 | 1.9 |
| 2028 | 1.4 | 1.0 | 1.9 |
| 2029 | 1.5 | 1.0 | 1.9 |
Routes In Lower Great Lakes / St. Lawrence Plain
| Harrisville | PENNSYLVANIA | 9 | 2023 |
| Mt Morris | NEW-YORK | 8 | 2024 |
| Canadice L | NEW-YORK | 5 | 2024 |
| Harmonsburg | PENNSYLVANIA | 5 | 2023 |
| Branchport | NEW-YORK | 4 | 2024 |
| Sheridan | NEW-YORK | 4 | 2024 |
| Pulaski | NEW-YORK | 4 | 2024 |
| Garrettsvile | OHIO | 4 | 1991 |
| Middlefield | OHIO | 4 | 2016 |
| Randolph | NEW-YORK | 3 | 2018 |
| Sugar Grove | PENNSYLVANIA | 3 | 2024 |
| Trumansburg | NEW-YORK | 2 | 2023 |
| Hamburg | NEW-YORK | 2 | 2018 |
| E Youngstown | NEW-YORK | 2 | 2022 |
| Byron | NEW-YORK | 2 | 2016 |
| Lenox | OHIO | 2 | 2023 |
| Hiram | OHIO | 2 | 2019 |
| Clover | PENNSYLVANIA | 2 | 2024 |
| Teepleville | PENNSYLVANIA | 2 | 2024 |
| Duanesburg | NEW-YORK | 1 | 2015 |
| Cayuga | NEW-YORK | 1 | 2018 |
| Macdougall | NEW-YORK | 1 | 2019 |
| Orleans | NEW-YORK | 1 | 2024 |
| Mendon | NEW-YORK | 1 | 2018 |
| Castile | NEW-YORK | 1 | 2016 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.