Species · BCR 13 · BBS 2025 Release · 1966–2024
Pied-billed Grebe In Lower Great Lakes / St. Lawrence Plain
Pied-billed Grebe in Lower Great Lakes / St. Lawrence Plain has held roughly steady: up 5% on the route-weighted index since 1969.
+5%Since 1969
13Routes In Region
24Years
Notable Signals
No notable trend signals for Pied-billed Grebe in Lower Great Lakes / St. Lawrence Plain. See the full index history below.
Forecast
If the recent trend holds, Pied-billed Grebe in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2016, near 0.03 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±107.2%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2016
0.03Projected 2016 index
0.00–0.1095% range
±107.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2012 | 0.03 | 0.00 | 0.10 |
| 2013 | 0.03 | 0.00 | 0.10 |
| 2014 | 0.03 | 0.00 | 0.10 |
| 2015 | 0.03 | 0.00 | 0.10 |
| 2016 | 0.03 | 0.00 | 0.10 |
Routes In Lower Great Lakes / St. Lawrence Plain
| Castile | NEW-YORK | 6 | 1978 |
| North Easton | NEW-YORK | 6 | 1990 |
| Herner Crns | OHIO | 2 | 1998 |
| Grand Isle | VERMONT | 2 | 1972 |
| Rhinebeck | NEW-YORK | 1 | 1969 |
| Orleans | NEW-YORK | 1 | 2011 |
| E Youngstown | NEW-YORK | 1 | 1974 |
| Watertown | NEW-YORK | 1 | 1997 |
| N Wilmurt | NEW-YORK | 1 | 1977 |
| Waddington | NEW-YORK | 1 | 1998 |
| Philadelphia | NEW-YORK | 1 | 2009 |
| Ferris Crnrs | PENNSYLVANIA | 1 | 2000 |
| North Pownal | VERMONT | 1 | 1980 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.