Species · Massachusetts · BBS 2025 Release · 1966–2024
Sharp-shinned Hawk Population Trend in Massachusetts
Sharp-shinned Hawk in Massachusetts has increased: up 32% on the route-weighted index since 1978.
+32%Since 1978
16Routes In State
19Years
Notable Sharp-shinned Hawk Trends in Massachusetts
No notable trend signals for Sharp-shinned Hawk in Massachusetts. See the full index history below.
Sharp-shinned Hawk Population Forecast in Massachusetts
If the recent trend holds, Sharp-shinned Hawk in Massachusetts is projected to rise about 51% by 2027 — from 0.06 in 2022 to a central estimate of 0.09 (95% range 0.04–0.14). A 5-year backtest shows a typical error of ±36.7%, with 80% of held-out values landing inside the 95% band.
+51%Change by 2027
0.09Projected 2027 index
0.04–0.1495% range
±36.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.09 | 0.04 | 0.13 |
| 2024 | 0.09 | 0.04 | 0.13 |
| 2025 | 0.09 | 0.04 | 0.13 |
| 2026 | 0.09 | 0.04 | 0.14 |
| 2027 | 0.09 | 0.04 | 0.14 |
Sharp-shinned Hawk Survey Routes in Massachusetts
| E Dennis | 1 | 2021 | 2021 |
| Marion | 1 | 1996 | 1996 |
| Cape Cod Ns | 1 | 2007 | 2007 |
| Brockton | 1 | 1997 | 1997 |
| Littleton | 1 | 2022 | 2013 |
| Belchertown | 1 | 2004 | 2004 |
| Warren | 1 | 2004 | 1990 |
| S Barre | 1 | 2003 | 1976 |
| N Orange | 1 | 1993 | 1969 |
| Cummington | 1 | 1998 | 1998 |
| Chesterfield | 1 | 2021 | 2021 |
| Holden | 1 | 1984 | 1978 |
| N. Andover | 1 | 2007 | 2007 |
| Sheffield | 1 | 1995 | 1990 |
| Warren 2 | 1 | 2019 | 2019 |
| Hancock | 1 | 2013 | 2001 |
Sharp-shinned Hawk Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.