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

Eastern Kingbird Population Trend in South Carolina

All statesAerial insectivores

Eastern Kingbird in South Carolina has declined: down 47% on the route-weighted index since 1968.

-47%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 →
51Routes 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 Eastern Kingbird 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 Eastern Kingbird in South Carolina. See the full index history below.

Eastern Kingbird Population Forecast in South Carolina

If the recent trend holds, Eastern Kingbird in South Carolina is projected to fall about 44% by 2029 — from 5.4 in 2024 to a central estimate of 3.0 (95% range 0.00–7.4). A 5-year backtest shows a typical error of ±13.2%, with 100% of held-out values landing inside the 95% band.

-44%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 →
3.0Projected 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 →
0.00–7.495% 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 →
±13.2%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, Eastern Kingbird in South Carolina is projected to fall about 44% by 2029 — from 5.4 in 2024 to a central estimate of 3.0 (95% range 0.00–7.4). A 5-year backtest shows a typical error of ±13.2%, with 100% 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 →
20253.40.007.7
20263.30.007.6
20273.20.007.5
20283.10.007.4
20293.00.007.4

Eastern Kingbird Survey Routes in South Carolina

Routes recording Eastern Kingbird 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 →
New Ellenton2020242010
Little Mtn1619881966
New Holland1520241967
Sandhills1420241994
Green Sea1120242010
Pinewood1120191998
Holly Hill920241972
Salem Xrd920191982
Wagener820241966
Dillon720211970
Prosperity720241992
Rome620241967
Bishopville620241970
Ward620182017
Johns Isle519791966
Owings520041992
Landrum519881974
Plum Branch520241977
Foreston420211966
Boykin Ml Pd419681966
Kingstree420102010
Olar420191998
Coward320241966
Walterboro320171970
Lowrys320212017

Eastern Kingbird Population Trend in Other States

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

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