Species · Maine · BBS 2025 Release · 1966–2024
Lincoln's Sparrow Population Trend in Maine
Lincoln's Sparrow in Maine has collapsed: down 77% on the route-weighted index since 1976.
-77%Since 1976
33Routes In State
45Years
Notable Lincoln's Sparrow Trends in Maine
long arc declinecomputed index
Lincoln's Sparrow has collapsed in Maine: down 77% on the route-weighted index since 1976.
Lincoln's Sparrow Population Forecast in Maine
If the recent trend holds, Lincoln's Sparrow in Maine is projected to stay roughly flat through 2027, near 0.28 (95% range 0.00–0.78). A 5-year backtest shows a typical error of ±1067.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2027
0.28Projected 2027 index
0.00–0.7895% range
±1067.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.28 | 0.00 | 0.78 |
| 2024 | 0.28 | 0.00 | 0.78 |
| 2025 | 0.28 | 0.00 | 0.78 |
| 2026 | 0.28 | 0.00 | 0.78 |
| 2027 | 0.28 | 0.00 | 0.78 |
Lincoln's Sparrow Survey Routes in Maine
| Clayton Lake | 7 | 2001 | 1983 |
| Seboomook Lk | 6 | 2009 | 1999 |
| Big Twenty | 4 | 2007 | 1993 |
| Deblois | 3 | 1966 | 1966 |
| Medway | 3 | 1978 | 1977 |
| Ft Fairfield | 3 | 2004 | 1993 |
| St David | 3 | 2005 | 1982 |
| Lake Moxie | 3 | 2010 | 2008 |
| Northfield | 2 | 1981 | 1977 |
| Moose River | 2 | 2003 | 1984 |
| Baker Lake 2 | 2 | 2011 | 2011 |
| Ludlow | 2 | 1998 | 1982 |
| Washburn | 2 | 2005 | 1994 |
| Boundary | 2 | 2009 | 2004 |
| Northfield 2 | 1 | 1996 | 1996 |
| Wilson Mills | 1 | 2014 | 1985 |
| Topsfield | 1 | 1996 | 1996 |
| Clayton Lake 2 | 1 | 2013 | 2010 |
| Heron Lake | 1 | 2002 | 1988 |
| Cooper | 1 | 1979 | 1975 |
| Carrying Pl | 1 | 2001 | 1979 |
| Big Twenty 2 | 1 | 2009 | 2009 |
| Baxter | 1 | 1984 | 1984 |
| Greenville | 1 | 2019 | 1993 |
| Wytopitlock | 1 | 1996 | 1990 |
Lincoln's Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.