Species · BCR 13 · BBS 2025 Release · 1966–2024
Chipping Sparrow In Lower Great Lakes / St. Lawrence Plain
Chipping Sparrow in Lower Great Lakes / St. Lawrence Plain has risen sharply: up 70% on the route-weighted index since 1968.
+70%Since 1968
86Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Chipping Sparrow has risen sharply in Lower Great Lakes / St. Lawrence Plain: up 70% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Chipping Sparrow in Lower Great Lakes / St. Lawrence Plain is projected to rise about 15% by 2029 — from 23 in 2024 to a central estimate of 27 (95% range 22–31). A 5-year backtest shows a typical error of ±10%, with 100% of held-out values landing inside the 95% band.
+15%Change by 2029
27Projected 2029 index
22–3195% range
±10%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 26 | 22 | 31 |
| 2026 | 26 | 22 | 31 |
| 2027 | 26 | 22 | 31 |
| 2028 | 27 | 22 | 31 |
| 2029 | 27 | 22 | 31 |
Routes In Lower Great Lakes / St. Lawrence Plain
| Churchville | NEW-YORK | 96 | 2024 |
| Naples | NEW-YORK | 62 | 2024 |
| E Youngstown | NEW-YORK | 59 | 2023 |
| Macdougall | NEW-YORK | 57 | 2024 |
| Orleans | NEW-YORK | 54 | 2024 |
| North Easton | NEW-YORK | 41 | 2024 |
| Hamburg | NEW-YORK | 39 | 2024 |
| Hiram | OHIO | 38 | 2021 |
| Penfield | NEW-YORK | 37 | 2024 |
| Lucerne | OHIO | 37 | 2024 |
| Cayuga | NEW-YORK | 35 | 2024 |
| Harmonsburg | PENNSYLVANIA | 34 | 2023 |
| Rushville | NEW-YORK | 32 | 2024 |
| West Seneca | NEW-YORK | 32 | 2004 |
| Byron | NEW-YORK | 31 | 2024 |
| Wayland | OHIO | 29 | 2017 |
| N Wilmurt | NEW-YORK | 28 | 1998 |
| Pittsfield | OHIO | 28 | 2024 |
| Akeley | PENNSYLVANIA | 28 | 1979 |
| Castile | NEW-YORK | 27 | 2024 |
| Branchport | NEW-YORK | 26 | 2024 |
| Parishville | NEW-YORK | 26 | 2024 |
| Rhinebeck | NEW-YORK | 25 | 2024 |
| Shaftsbury | VERMONT | 25 | 2024 |
| Nashville | NEW-YORK | 24 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.