Species · BBS 2026 Release · 1966–2025

Broad-winged Hawk Population Analysis

AccipitridaeBirds of preyButeo platypterus

Broad-winged Hawk has held roughly steady: up 7% on the route-weighted index since 1968.

About the Broad-winged Hawk

The Broad-winged Hawk (Buteo platypterus) is a North American member of the Hawks, Eagles & Kites (Accipitridae). In this analysis it is grouped with the birds of prey.

Size
17.5–39.5 in long (45–100 cm) — a medium to large raptor (typical for the family)
Habitat
Open country, woodlands, cliffs and wetlands, hunting from the air or a high perch.
Diet
Live prey — small mammals, birds, reptiles, fish and large insects (carrion for vultures).
Range
Recorded on 1,460 Breeding Bird Survey routes across 37 states, most concentrated in the Appalachian Mountains.
Family
Accipitridae · Birds of prey

Notable Broad-winged Hawk TrendsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Broad-winged Hawk. See the full index history below.

Broad-winged Hawk Population Forecast

If the recent trend holds, Broad-winged Hawk is projected to fall about 11% by 2030 — from 0.10 in 2025 to a central estimate of 0.09 (95% range 0.06–0.12). A 5-year backtest shows a typical error of ±15.9%, with 100% of held-out values landing inside the 95% band.

If the recent trend holds, Broad-winged Hawk is projected to fall about 11% by 2030 — from 0.10 in 2025 to a central estimate of 0.09 (95% range 0.06–0.12). A 5-year backtest shows a typical error of ±15.9%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.090.060.12
20270.090.060.12
20280.090.060.12
20290.090.060.12
20300.090.060.12

Where the Broad-winged Hawk Is Detected

BBS routes recording Broad-winged Hawk, sized by most recent count.

Broad-winged Hawk Population Trend by State

Broad-winged Hawk population trend by state.
TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →Survey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
Alabama-4%196898
Arkansas+56%197039
Connecticut+99%197220
Delawareinsufficient datan/a4
Florida+153%197034
Georgia-58%197069
Illinois-29%197413
Indiana-70%196916
Iowainsufficient datan/a2
Kansasinsufficient datan/a2
Kentucky+57%197046
Louisiana+473%197061
Maine+198%197172
Maryland+123%196948
Massachusetts+66%197028
Michigan+60%197065
Minnesota+86%196946
Mississippi-60%197142
Missouri+242%197447
New Hampshire+95%196826
New Jersey-62%196829
New York+115%196892
North Carolina-11%196967
North Dakotainsufficient datan/a2
Ohio+143%197932
Oklahoma+79%196928
Pennsylvania+26%1968110
Rhode Island-19%19715
South Carolina-55%197625
South Dakotainsufficient datan/a2
Tennessee+81%196847
Texas+8%197430
Vermont+198%196825
Virginia-35%196864
West Virginia-61%196858
Wisconsin+111%196863
Wyominginsufficient datan/a3

Broad-winged Hawk Population Trend by Region

Bird Conservation Regions are the ecological unit for trends.

Broad-winged Hawk population trend by Bird Conservation Region.
TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →Survey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
Prairie Potholes+25%19924
Boreal Hardwood Transition+86%1968115
Lower Great Lakes / St. Lawrence Plain+96%197045
Atlantic Northern Forest+257%1968148
Badlands and Prairies+33%20015
Oaks and Prairies+0%196919
Eastern Tallgrass Prairie+34%197624
Prairie Hardwood Transition+48%197061
Central Hardwoods+15%1968121
West Gulf Coastal Plain / Ouachitas+206%196989
Mississippi Alluvial Valley-2%197124
Southeastern Coastal Plain+90%1968218
Appalachian Mountains+21%1968354
Piedmont-47%1968119
New England / Mid-Atlantic Coast+63%196899
Gulf Coastal Prairie+63%19969

Broad-winged Hawk Conservation Status

Our route-weighted index shows it up about 7% since 1968.

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. Trend is a route-weighted relative-abundance index, not an absolute population.