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
0.000.1195% range
±26.3%Backtest error
19732029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.050.000.11
20260.050.000.11
20270.050.000.11
20280.050.000.11
20290.040.000.11

Sharp-shinned Hawk Survey Routes in Maine

Routes recording Sharp-shinned Hawk in Maine.
St David219941994
Northfield 2120192019
Biddeford120091982
Newcastle119851985
Wilson Mills119971988
Turner120102010
Greenwood120181973
South Arm120061979
Otisfield Gr120151973
Hartford120111981
Bowdoin Ctr120001990
Manchester119951992
East Troy120181990
Freedom120021996
Harmony119851985
Clayton Lake 2120132013
Eastbrook119851985
Hancock119791979
Aurora119931993
Cooper120031976
Deblois119971989
Brownfield 2120162016
Carrabassett120241984
Seboomook Lk120121978
Greenville120131985

Sharp-shinned Hawk Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.