Species · BCR 13 · BBS 2025 Release · 1966–2024
Canada Warbler In Lower Great Lakes / St. Lawrence Plain
Canada Warbler in Lower Great Lakes / St. Lawrence Plain has collapsed: down 77% on the route-weighted index since 1968.
-77%Since 1968
30Routes In Region
50Years
Notable Signals
long arc declinecomputed index
Canada Warbler has collapsed in Lower Great Lakes / St. Lawrence Plain: down 77% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Canada Warbler in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.15). A 5-year backtest shows a typical error of ±125.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1595% range
±125.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.15 |
| 2026 | 0.00 | 0.00 | 0.15 |
| 2027 | 0.00 | 0.00 | 0.15 |
| 2028 | 0.00 | 0.00 | 0.15 |
| 2029 | 0.00 | 0.00 | 0.15 |
Routes In Lower Great Lakes / St. Lawrence Plain
| N Wilmurt | NEW-YORK | 8 | 1998 |
| Parishville | NEW-YORK | 3 | 2023 |
| Hopkinton | NEW-YORK | 2 | 2013 |
| Balmat | NEW-YORK | 2 | 2007 |
| Highland | NEW-YORK | 1 | 1972 |
| W Shokan | NEW-YORK | 1 | 1987 |
| Austerlitz | NEW-YORK | 1 | 2006 |
| Duanesburg | NEW-YORK | 1 | 1999 |
| Oriskany Fls | NEW-YORK | 1 | 2016 |
| Cayuga | NEW-YORK | 1 | 2024 |
| Trumansburg | NEW-YORK | 1 | 1984 |
| Canadice L | NEW-YORK | 1 | 2007 |
| Randolph | NEW-YORK | 1 | 1995 |
| Sheridan | NEW-YORK | 1 | 1991 |
| Cherry Hill | NEW-YORK | 1 | 2010 |
| Cicero Ctr | NEW-YORK | 1 | 1994 |
| Watertown | NEW-YORK | 1 | 1996 |
| Pulaski | NEW-YORK | 1 | 1994 |
| Alder Creek | NEW-YORK | 1 | 1999 |
| Oneida | NEW-YORK | 1 | 1997 |
| Salem | NEW-YORK | 1 | 1975 |
| Argyle | NEW-YORK | 1 | 1982 |
| North Easton | NEW-YORK | 1 | 1991 |
| Ellenburg | NEW-YORK | 1 | 2006 |
| Willsboro | NEW-YORK | 1 | 2000 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.