Species · BCR 13 · BBS 2025 Release · 1966–2024
Ruby-throated Hummingbird In Lower Great Lakes / St. Lawrence Plain
Ruby-throated Hummingbird in Lower Great Lakes / St. Lawrence Plain has surged: up 157% on the route-weighted index since 1968.
+157%Since 1968
81Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Ruby-throated Hummingbird has surged in Lower Great Lakes / St. Lawrence Plain: up 157% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Ruby-throated Hummingbird in Lower Great Lakes / St. Lawrence Plain is projected to rise about 127% by 2029 — from 0.31 in 2024 to a central estimate of 0.71 (95% range 0.42–1.00). A 5-year backtest shows a typical error of ±68.2%, with 40% of held-out values landing inside the 95% band.
+127%Change by 2029
0.71Projected 2029 index
0.42–1.0095% range
±68.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.68 | 0.39 | 0.96 |
| 2026 | 0.68 | 0.39 | 0.97 |
| 2027 | 0.69 | 0.40 | 0.98 |
| 2028 | 0.70 | 0.41 | 0.99 |
| 2029 | 0.71 | 0.42 | 1.00 |
Routes In Lower Great Lakes / St. Lawrence Plain
| Castile | NEW-YORK | 4 | 2015 |
| Branchport | NEW-YORK | 3 | 2024 |
| Lenox | OHIO | 3 | 2022 |
| Ferris Crnrs | PENNSYLVANIA | 3 | 2021 |
| Macdougall | NEW-YORK | 2 | 2023 |
| Canadice L | NEW-YORK | 2 | 2024 |
| West Seneca | NEW-YORK | 2 | 2002 |
| Nashville | NEW-YORK | 2 | 2018 |
| E Youngstown | NEW-YORK | 2 | 2022 |
| N Victory 2 | NEW-YORK | 2 | 2018 |
| N Wilmurt | NEW-YORK | 2 | 1997 |
| Clinton | NEW-YORK | 2 | 2011 |
| Hopkinton | NEW-YORK | 2 | 2021 |
| Willsboro | NEW-YORK | 2 | 2021 |
| N Victory | NEW-YORK | 2 | 1968 |
| New Somerset | OHIO | 2 | 1993 |
| Valley City | OHIO | 2 | 2014 |
| Harmonsburg | PENNSYLVANIA | 2 | 2023 |
| Teepleville | PENNSYLVANIA | 2 | 2023 |
| Sugar Grove | PENNSYLVANIA | 2 | 2023 |
| Shaftsbury | VERMONT | 2 | 2024 |
| Bristol | VERMONT | 2 | 1996 |
| Rhinebeck | NEW-YORK | 1 | 2022 |
| Highland | NEW-YORK | 1 | 2012 |
| W Shokan | NEW-YORK | 1 | 2009 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.