Species · BCR 13 · BBS 2025 Release · 1966–2024
Sora In Lower Great Lakes / St. Lawrence Plain
Sora in Lower Great Lakes / St. Lawrence Plain has edged down: down 16% on the route-weighted index since 1969.
-16%Since 1969
15Routes In Region
19Years
Notable Signals
No notable trend signals for Sora in Lower Great Lakes / St. Lawrence Plain. See the full index history below.
Forecast
If the recent trend holds, Sora in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2029, near 0.02 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±58.9%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.02Projected 2029 index
0.00–0.0595% range
±58.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.02 | 0.00 | 0.05 |
| 2026 | 0.02 | 0.00 | 0.05 |
| 2027 | 0.02 | 0.00 | 0.05 |
| 2028 | 0.02 | 0.00 | 0.05 |
| 2029 | 0.02 | 0.00 | 0.05 |
Routes In Lower Great Lakes / St. Lawrence Plain
| Rhinebeck | NEW-YORK | 1 | 1992 |
| Mendon | NEW-YORK | 1 | 2005 |
| Castile | NEW-YORK | 1 | 1984 |
| Randolph | NEW-YORK | 1 | 1968 |
| Byron | NEW-YORK | 1 | 1990 |
| Cicero Ctr | NEW-YORK | 1 | 1969 |
| N Wilmurt | NEW-YORK | 1 | 1985 |
| Oneida | NEW-YORK | 1 | 1991 |
| Ogdensburg | NEW-YORK | 1 | 2019 |
| West Bangor | NEW-YORK | 1 | 1990 |
| Philadelphia | NEW-YORK | 1 | 2024 |
| Garrettsvile | OHIO | 1 | 1985 |
| Middlefield | OHIO | 1 | 1990 |
| Teepleville | PENNSYLVANIA | 1 | 2011 |
| Bristol | VERMONT | 1 | 2013 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.