BirdAnalyst
Species · BCR 27 · BBS 2026 Release · 1966–2025

Yellow-throated Vireo In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

Yellow-throated Vireo in Southeastern Coastal Plain has surged: up 208% on the route-weighted index since 1968.

+208%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 →
322Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 →

Yellow-throated Vireo has surged in Southeastern Coastal Plain: up 208% on the route-weighted index since 1968.

Yellow-throated Vireo In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Yellow-throated Vireo in Southeastern Coastal Plain is projected to fall about 23% by 2030 — from 3.2 in 2025 to a central estimate of 2.5 (95% range 1.9–3.0). A 5-year backtest shows a typical error of ±25%, with 20% of held-out values landing inside the 95% band.

-23%Change by 2030TrendPercent 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 →
2.5Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.9–3.095% 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 →
±25%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, Yellow-throated Vireo in Southeastern Coastal Plain is projected to fall about 23% by 2030 — from 3.2 in 2025 to a central estimate of 2.5 (95% range 1.9–3.0). A 5-year backtest shows a typical error of ±25%, with 20% 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 →
20262.41.82.9
20272.41.82.9
20282.41.93.0
20292.41.93.0
20302.51.93.0

Routes In Southeastern Coastal Plain

Routes recording Yellow-throated Vireo in Southeastern Coastal Plain.
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 →
NixvilleSOUTH-CAROLINA152025
Big SandyTENNESSEE152025
BranchvilleVIRGINIA142024
Sprott-Cahaba RivALABAMA132014
Dowling ParkFLORIDA132025
PinettaFLORIDA132025
Trace AttalaMISSISSIPPI132019
ShallotteNORTH-CAROLINA131991
CalebeeALABAMA122025
Okatibbee L.MISSISSIPPI122005
Trace LormanMISSISSIPPI122019
ElamvilleALABAMA112025
CottontonALABAMA102025
Miller XrdsFLORIDA102019
BeverlyMISSISSIPPI102011
WaverlyVIRGINIA101987
HarrellALABAMA92025
SpragueALABAMA92025
WedgeworthALABAMA92025
HeliconALABAMA92025
Hildreth 2FLORIDA92024
Seminole Hills 2FLORIDA92022
BaxleyGEORGIA92019
RentzGEORGIA92025
OusleyGEORGIA92025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.