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

Eurasian Collared-Dove Population Trend in South Carolina

All statesGeneralists

Eurasian Collared-Dove in South Carolina has surged: up 643% on the route-weighted index since 2001.

+643%Since 2001TrendPercent 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 →
18Routes 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 →
25YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Eurasian Collared-Dove 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eurasian Collared-Dove has surged in South Carolina: up 643% on the route-weighted index since 2001.

Eurasian Collared-Dove Population Forecast in South Carolina

If the recent trend holds, Eurasian Collared-Dove in South Carolina is projected to rise about 42% by 2029 — from 0.38 in 2024 to a central estimate of 0.54 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±44.7%, with 100% of held-out values landing inside the 95% band.

+42%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 →
0.54Projected 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 →
0.00–1.195% 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 →
±44.7%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, Eurasian Collared-Dove in South Carolina is projected to rise about 42% by 2029 — from 0.38 in 2024 to a central estimate of 0.54 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±44.7%, with 100% of held-out values landing inside the 95% band.19992029
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 →
20250.520.001.1
20260.520.001.1
20270.530.001.1
20280.540.001.1
20290.540.001.1

Eurasian Collared-Dove Survey Routes in South Carolina

Routes recording Eurasian Collared-Dove 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 Ellenton720182010
Nixville620092006
Foreston520192007
Wagener420242004
Holly Hill320242001
Salem Xrd320192009
Barton Creek220162005
Blacksburg220062006
Pinewood220192008
Rome120222008
New Holland120242003
Bishopville120222011
Walterboro120082002
Joanna120231999
Anderson120142006
Chesnee120152004
Ward120212018
Lowrys120172017

Eurasian Collared-Dove Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradofloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandmichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-dakotatennesseetexasutahvirginiawashingtonwisconsinwyoming

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