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

Yellow-throated Vireo Population Trend in New York

All statesForest birds

Yellow-throated Vireo in New York has edged down: down 24% on the route-weighted index since 1968.

-24%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 →
108Routes 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 Yellow-throated Vireo 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 Yellow-throated Vireo in New York. See the full index history below.

Yellow-throated Vireo Population Forecast in New York

If the recent trend holds, Yellow-throated Vireo in New York is projected to fall about 14% by 2029 — from 0.58 in 2024 to a central estimate of 0.49 (95% range 0.19–0.80). A 5-year backtest shows a typical error of ±34.4%, with 60% of held-out values landing inside the 95% band.

-14%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 →
0.49Projected 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 →
0.19–0.8095% 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 →
±34.4%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, Yellow-throated Vireo in New York is projected to fall about 14% by 2029 — from 0.58 in 2024 to a central estimate of 0.49 (95% range 0.19–0.80). A 5-year backtest shows a typical error of ±34.4%, with 60% 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 →
20250.500.200.80
20260.500.200.80
20270.500.200.80
20280.500.200.80
20290.490.190.80

Yellow-throated Vireo Survey Routes in New York

Routes recording Yellow-throated Vireo 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 →
W Shokan520191968
Oxford519761969
Mt Hope420101968
Catskills420151975
North Easton420241967
Philadelphia420241980
Balmat419891982
Austerlitz320241966
Lisle320041973
N Victory 2320041978
Alder Creek320041977
Manorville219801980
Somers219771970
Highland220121968
Westbrookvle220191967
Ballston Lk219701967
Medusa220241979
Coventryvile220231967
Corbettsvile220231966
E Newark220241974
Dryden220211966
Trumansburg220091966
Vestal Ctr220141968
Canadice L220211975
Churchville220221972

Yellow-throated Vireo Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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