BirdAnalyst
Species · New York · BBS 2026 Release · 1966–2025

Common Yellowthroat Population Trend in New York

All statesForest birds

Common Yellowthroat in New York has increased: up 42% on the route-weighted index since 1968.

+42%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 →
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 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 2030, near 19 (95% range 15–24). A 5-year backtest shows a typical error of ±9%, with 100% of held-out values landing inside the 95% band.

-6%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 →
19Projected 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 →
15–2495% 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 →
±9%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 2030, near 19 (95% range 15–24). A 5-year backtest shows a typical error of ±9%, 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 →
2026191523
2027191523
2028191523
2029191524
2030191524

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
Dryden5020251966
Watertown4820121967
Mcdonough4620171967
Duanesburg4220251966
S Berne 24120252014
Oxford4019761967
Oneonta3820251968
Ogdensburg3820251979
Meridale3620251967
Oriskany Fls3520251967
Kasoag3520251966
North Easton3520251967
S Berne3420131967
Cattaraugus3420191967
Trumansburg3220241966
Pulaski3220251967
Philadelphia3020251980
East Java2920251967
Nashville2920181967
Argyle2920241968
Sabattis2819831966
Durham2719761966
Medusa2720241968
Swain2720071967

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 2026-08-14.