BirdAnalyst
Species · Indiana · BBS 2025 Release · 1966–2024

Common Yellowthroat Population Trend in Indiana

All statesForest birds

Common Yellowthroat in Indiana has increased: up 32% on the route-weighted index since 1968.

+32%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 →
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 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 16% by 2029 — from 13 in 2024 to a central estimate of 15 (95% range 10–20). A 5-year backtest shows a typical error of ±13.1%, with 100% of held-out values landing inside the 95% band.

+16%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 →
15Projected 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 →
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 →
±13.1%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 16% by 2029 — from 13 in 2024 to a central estimate of 15 (95% range 10–20). A 5-year backtest shows a typical error of ±13.1%, 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 →
2025151020
2026151020
2027151020
2028151020
2029151020

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 →
Spencer4320241967
Brazil3420241966
Wallace3120241999
Celestine3020241979
Cumback2820211966
Kankakee Sands2820242000
Scottsburg2420241982
Vevay2320241966
Newberry2320241999
Indian Spgs2220241982
Packertown2120041967
Wabash1920241982
Cross Plains1920241999
Lakeville1920241993
Galveston1820241981
Georgia1820241999
Clear Spring1720241981
New Phila1720241982
New Castle1720242002
Knox1620241981
W Lafayette1620241981
Indiana Dune1620241993
Washington1520241987
Pimento1420241981
Belmont1420241981

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 2026-05-22.