BirdAnalyst
Species · New York · BBS 2025 Release · 1966–2024

Common Yellowthroat Population Trend in New York

All statesForest birds

Common Yellowthroat in New York has increased: up 34% on the route-weighted index since 1968.

+34%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 →
129Routes 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 New YorkNotable 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 New York. See the full index history below.

Common Yellowthroat Population Forecast in New York

If the recent trend holds, Common Yellowthroat in New York is projected to stay roughly flat through 2029, near 19 (95% range 15–23). A 5-year backtest shows a typical error of ±11%, with 100% of held-out values landing inside the 95% band.

-5%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 →
19Projected 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 →
15–2395% 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%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 New York is projected to stay roughly flat through 2029, near 19 (95% range 15–23). A 5-year backtest shows a typical error of ±11%, 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 →
2025191523
2026191523
2027191523
2028191523
2029191523

Common Yellowthroat Survey Routes in New York

Routes recording Common Yellowthroat in New York.
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 →
Alder Creek6020041968
Dryden5620241966
Watertown4820121967
Pulaski4820241967
Mcdonough4620171967
Meridale4420241967
Oneonta4120241968
Oxford4019761967
Oriskany Fls3720241967
Ogdensburg3520241979
S Berne3420131967
Cattaraugus3420191967
Degrasse3420241980
Parishville3320241968
S Berne 23320242014
Duanesburg3220241966
Trumansburg3220241966
Sheridan2920241966
Nashville2920181967
Kasoag2920241966
Highmarket2920241967
Argyle2920241968
Philadelphia2920241980
Swain 22920242011
Corbettsvile2820241966

Common Yellowthroat Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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