Species · Maryland · BBS 2025 Release · 1966–2024
Broad-winged Hawk Population Trend in Maryland
Broad-winged Hawk in Maryland has risen sharply: up 75% on the route-weighted index since 1969.
+75%Since 1969
48Routes In State
57Years
Notable Broad-winged Hawk Trends in Maryland
long arc increasecomputed index
Broad-winged Hawk has risen sharply in Maryland: up 75% on the route-weighted index since 1969.
Broad-winged Hawk Population Forecast in Maryland
If the recent trend holds, Broad-winged Hawk in Maryland is projected to stay roughly flat through 2029, near 0.08 (95% range 0.00–0.18). A 5-year backtest shows a typical error of ±42.5%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.08Projected 2029 index
0.00–0.1895% range
±42.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.08 | 0.00 | 0.18 |
| 2026 | 0.08 | 0.00 | 0.18 |
| 2027 | 0.08 | 0.00 | 0.18 |
| 2028 | 0.08 | 0.00 | 0.18 |
| 2029 | 0.08 | 0.00 | 0.18 |
Broad-winged Hawk Survey Routes in Maryland
| Broomes Isl | 3 | 1981 | 1970 |
| Potomac Park | 2 | 2021 | 1972 |
| Smithsburg | 2 | 2011 | 1977 |
| Berlin | 2 | 1984 | 1984 |
| Melitota | 2 | 1979 | 1977 |
| Severna Park | 2 | 1982 | 1982 |
| Floyd | 1 | 2022 | 1969 |
| Mt Nebo | 1 | 1984 | 1984 |
| Vindex | 1 | 2016 | 1969 |
| Oldtown | 1 | 2024 | 1976 |
| Williamsport | 1 | 2006 | 2006 |
| Wolfsville | 1 | 2011 | 1970 |
| Emmitsburg | 1 | 1981 | 1981 |
| Silver Spg | 1 | 1975 | 1975 |
| Olney | 1 | 1995 | 1990 |
| Norwood | 1 | 1974 | 1974 |
| Warfieldsbrg | 1 | 1984 | 1984 |
| Pleasant Val | 1 | 1980 | 1971 |
| Bachman Mill | 1 | 1984 | 1966 |
| Fowblesburg | 1 | 2004 | 1989 |
| Eklo | 1 | 1986 | 1968 |
| Randallstown | 1 | 1987 | 1976 |
| Upper Xrds | 1 | 1974 | 1974 |
| Van Bibber | 1 | 1978 | 1978 |
| Beltsville | 1 | 1970 | 1970 |
Broad-winged Hawk Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.