BirdAnalyst
Species · Indiana · BBS 2026 Release · 1966–2025

Common Yellowthroat Population Trend in Indiana

All statesForest birds

Common Yellowthroat in Indiana has increased: up 33% on the route-weighted index since 1968.

+33%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 →
69Routes 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 →
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 Common Yellowthroat Trends in IndianaNotable 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 Indiana. See the full index history below.

Common Yellowthroat Population Forecast in Indiana

If the recent trend holds, Common Yellowthroat in Indiana is projected to rise about 10% by 2030 — from 14 in 2025 to a central estimate of 15 (95% range 10–20). A 5-year backtest shows a typical error of ±12.5%, with 100% of held-out values landing inside the 95% band.

+10%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 →
15Projected 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 →
10–2095% 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 →
±12.5%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 Indiana is projected to rise about 10% by 2030 — from 14 in 2025 to a central estimate of 15 (95% range 10–20). A 5-year backtest shows a typical error of ±12.5%, 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 →
20261510.020
2027151020
2028151020
2029151020
2030151020

Common Yellowthroat Survey Routes in Indiana

Routes recording Common Yellowthroat in Indiana.
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 →
Newberry4520251999
Spencer4320241967
Kankakee Sands3220252000
Scottsburg3120251982
Wallace3120241999
Cumback2820251966
Indian Spgs2820251982
New Phila2820251982
Azalia2420251982
Celestine2420251979
Clear Spring2420251981
Cross Plains2320251999
Packertown2120041967
Brazil2120251966
Georgia2020251999
Washington1920251987
Lakeville1920241993
New Castle1720242002
Witts Station1720252000
W Lafayette1420251981
Belmont1420241981
Friendswood1420241986
Cyprss1420251999
Knox1320251981
Fowler1320251966

Common Yellowthroat Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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