Species · Maine · BBS 2025 Release · 1966–2024
Sharp-shinned Hawk Population Trend in Maine
Sharp-shinned Hawk in Maine has edged down: down 20% on the route-weighted index since 1978.
-20%Since 1978
36Routes In State
41Years
Notable Sharp-shinned Hawk Trends in Maine
No notable trend signals for Sharp-shinned Hawk in Maine. See the full index history below.
Sharp-shinned Hawk Population Forecast in Maine
If the recent trend holds, Sharp-shinned Hawk in Maine is projected to fall about 15% by 2029 — from 0.05 in 2024 to a central estimate of 0.04 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±26.3%, with 100% of held-out values landing inside the 95% band.
-15%Change by 2029
0.04Projected 2029 index
0.00–0.1195% range
±26.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.05 | 0.00 | 0.11 |
| 2026 | 0.05 | 0.00 | 0.11 |
| 2027 | 0.05 | 0.00 | 0.11 |
| 2028 | 0.05 | 0.00 | 0.11 |
| 2029 | 0.04 | 0.00 | 0.11 |
Sharp-shinned Hawk Survey Routes in Maine
| St David | 2 | 1994 | 1994 |
| Northfield 2 | 1 | 2019 | 2019 |
| Biddeford | 1 | 2009 | 1982 |
| Newcastle | 1 | 1985 | 1985 |
| Wilson Mills | 1 | 1997 | 1988 |
| Turner | 1 | 2010 | 2010 |
| Greenwood | 1 | 2018 | 1973 |
| South Arm | 1 | 2006 | 1979 |
| Otisfield Gr | 1 | 2015 | 1973 |
| Hartford | 1 | 2011 | 1981 |
| Bowdoin Ctr | 1 | 2000 | 1990 |
| Manchester | 1 | 1995 | 1992 |
| East Troy | 1 | 2018 | 1990 |
| Freedom | 1 | 2002 | 1996 |
| Harmony | 1 | 1985 | 1985 |
| Clayton Lake 2 | 1 | 2013 | 2013 |
| Eastbrook | 1 | 1985 | 1985 |
| Hancock | 1 | 1979 | 1979 |
| Aurora | 1 | 1993 | 1993 |
| Cooper | 1 | 2003 | 1976 |
| Deblois | 1 | 1997 | 1989 |
| Brownfield 2 | 1 | 2016 | 2016 |
| Carrabassett | 1 | 2024 | 1984 |
| Seboomook Lk | 1 | 2012 | 1978 |
| Greenville | 1 | 2013 | 1985 |
Sharp-shinned Hawk Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.