BirdAnalyst
Species · South Carolina · BBS 2025 Release · 1966–2024

Red-tailed Hawk Population Trend in South Carolina

All statesGeneralists

Red-tailed Hawk in South Carolina has held roughly steady: up 6% on the route-weighted index since 1968.

+6%Since 1968TrendPercent 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 →
48Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red-tailed Hawk Trends in South CarolinaNotable 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 Red-tailed Hawk in South Carolina. See the full index history below.

Red-tailed Hawk Population Forecast in South Carolina

If the recent trend holds, Red-tailed Hawk in South Carolina is projected to rise about 428% by 2029 — from 0.14 in 2024 to a central estimate of 0.76 (95% range 0.24–1.3). A 5-year backtest shows a typical error of ±151.2%, with 80% of held-out values landing inside the 95% band.

+428%Change by 2029TrendPercent 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 →
0.76Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.24–1.395% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±151.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Red-tailed Hawk in South Carolina is projected to rise about 428% by 2029 — from 0.14 in 2024 to a central estimate of 0.76 (95% range 0.24–1.3). A 5-year backtest shows a typical error of ±151.2%, with 80% of held-out values landing inside the 95% band.19662029
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 →
20250.740.231.3
20260.740.231.3
20270.750.231.3
20280.750.241.3
20290.760.241.3

Red-tailed Hawk Survey Routes in South Carolina

Routes recording Red-tailed Hawk in South Carolina.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Foreston620191966
Pinewood620192001
Hardeeville420191967
Ridgeway420112010
Salem320212013
Coward220231989
Little Mtn219841977
Salem Xrd220191987
Pendleton219671967
Plum Branch220171980
Nixonville219921987
Blacksburg220131999
Olar220181998
Carvers Bay220021998
Prosperity220061994
Chesnee220141992
Johns Isle119741967
Jamestown120151967
Rome120091970
Holly Hill120101979
New Holland120181967
Wagener120221968
Dillon120211972
Bishopville120231983
Boykin Ml Pd119681968

Red-tailed Hawk Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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