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

Red-eyed Vireo Population Trend in New York

All statesForest birds

Red-eyed Vireo in New York has surged: up 110% on the route-weighted index since 1968.

+110%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 Red-eyed 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Red-eyed Vireo has surged in New York: up 110% on the route-weighted index since 1968.

Red-eyed Vireo Population Forecast in New York

If the recent trend holds, Red-eyed Vireo in New York is projected to rise about 31% by 2030 — from 23 in 2025 to a central estimate of 30 (95% range 22–38). A 5-year backtest shows a typical error of ±38.7%, with 20% of held-out values landing inside the 95% band.

+31%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 →
30Projected 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 →
22–3895% 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 →
±38.7%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, Red-eyed Vireo in New York is projected to rise about 31% by 2030 — from 23 in 2025 to a central estimate of 30 (95% range 22–38). A 5-year backtest shows a typical error of ±38.7%, with 20% 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 →
2026292137
2027292137
2028292137
2029292137
2030302238

Red-eyed Vireo Survey Routes in New York

Routes recording Red-eyed 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 →
Inlet12320171979
N Wilmurt8019981967
Old Forge7820061971
Sabattis7819831966
S Berne 27620252014
Wanakena7520251980
Old Forge 27520192007
Downsville7420191982
Parishville7320251972
Hope Falls7019951968
Tupper Lake6819761968
Degrasse6420251980
Mcdonough6020171967
W Shokan5820191968
Blue Ridge S5420101969
Balmat5320081977
Dexter Lake5219751968
Newcomb5120221971
Warrensburg5020191966
Platte Cove4920181968
Kasoag4920251966
North River4520251966
Speculator4420251966
Medusa4320241968
Blue Ridge N4120251969

Red-eyed Vireo Population Trend in Other States

alabamaalaskaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming

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