BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Common Yellowthroat In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

Common Yellowthroat in Southeastern Coastal Plain has edged down: down 12% on the route-weighted index since 1968.

-12%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 →
345Routes 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 →
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 SignalsNotable 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 Common Yellowthroat in Southeastern Coastal Plain. See the full index history below.

Common Yellowthroat In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Common Yellowthroat in Southeastern Coastal Plain is projected to fall about 14% by 2029 — from 11 in 2024 to a central estimate of 9.2 (95% range 6.2–12). A 5-year backtest shows a typical error of ±11.4%, with 100% of held-out values landing inside the 95% band.

-14%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 →
9.2Projected 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 →
6.2–1295% 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 →
±11.4%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, Common Yellowthroat in Southeastern Coastal Plain is projected to fall about 14% by 2029 — from 11 in 2024 to a central estimate of 9.2 (95% range 6.2–12). A 5-year backtest shows a typical error of ±11.4%, 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 →
20259.46.412
20269.36.412
20279.36.312
20289.26.312
20299.26.212

Routes In Southeastern Coastal Plain

Routes recording Common Yellowthroat 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 →
OsceolaFLORIDA942024
MashoesNORTH-CAROLINA891982
Milltail CrNORTH-CAROLINA802024
NeedmoreGEORGIA781983
Dismal SwampNORTH-CAROLINA692024
OlusteeFLORIDA552022
BloxhamFLORIDA542022
GlenmoreGEORGIA502024
Dismal SwampVIRGINIA422016
Ft GadsdenFLORIDA412024
ApalachicolaFLORIDA402024
Broad BranchFLORIDA382024
St Vincent IFLORIDA372024
ShallotteNORTH-CAROLINA371991
Chowan RiverNORTH-CAROLINA352006
NewvilleVIRGINIA342024
WashingtonNORTH-CAROLINA332024
WeberGEORGIA312024
Sheep RidgeNORTH-CAROLINA312024
MansfieldTENNESSEE302024
Alligator PtFLORIDA292024
NixonFLORIDA281986
TarverGEORGIA282024
DibervilleMISSISSIPPI281987
BlackwaterFLORIDA272024

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