BirdAnalyst
Species · BCR 24 · BBS 2026 Release · 1966–2025

Common Yellowthroat In Central Hardwoods

All regionsCentral HardwoodsForest birds

Common Yellowthroat in Central Hardwoods has edged down: down 13% on the route-weighted index since 1968.

-13%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 →
166Routes 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 →

No notable trend signals for Common Yellowthroat in Central Hardwoods. See the full index history below.

Common Yellowthroat In Central Hardwoods Population Forecast

If the recent trend holds, Common Yellowthroat in Central Hardwoods is projected to fall about 17% by 2030 — from 13 in 2025 to a central estimate of 10 (95% range 7.1–14). A 5-year backtest shows a typical error of ±15%, with 100% of held-out values landing inside the 95% band.

-17%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 →
10Projected 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 →
7.1–1495% 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 →
±15%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 Central Hardwoods is projected to fall about 17% by 2030 — from 13 in 2025 to a central estimate of 10 (95% range 7.1–14). A 5-year backtest shows a typical error of ±15%, with 100% 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 →
2026117.314
2027117.314
2028117.214
2029117.114
2030107.114

Routes In Central Hardwoods

Routes recording Common Yellowthroat in Central Hardwoods.
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 →
BelknapILLINOIS502025
BrownvilleILLINOIS482025
NewberryINDIANA452025
Brnt PrairieILLINOIS432025
SpencerINDIANA432024
SanduskyILLINOIS402023
BoxvilleKENTUCKY391983
JoyKENTUCKY392023
Beaverdam LkILLINOIS382023
PulaskiILLINOIS352025
ScottsburgINDIANA312025
BremenILLINOIS292025
CumbackINDIANA282025
Indian SpgsINDIANA282025
New PhilaINDIANA282025
RomeOHIO282025
DelwoodILLINOIS262025
MerrimacKENTUCKY262024
MorganfieldKENTUCKY262025
GlencoeKENTUCKY252018
WhitewaterMISSOURI252025
AzaliaINDIANA242025
CelestineINDIANA242025
Clear SpringINDIANA242025
RiverqueenKENTUCKY242025

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