BirdAnalyst
Species · Florida · BBS 2026 Release · 1966–2025

Red-eyed Vireo Population Trend in Florida

All statesForest birds

Red-eyed Vireo in Florida has declined: down 37% on the route-weighted index since 1968.

-37%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 →
84Routes 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 FloridaNotable 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 Red-eyed Vireo in Florida. See the full index history below.

Red-eyed Vireo Population Forecast in Florida

If the recent trend holds, Red-eyed Vireo in Florida is projected to fall about 11% by 2030 — from 1.1 in 2025 to a central estimate of 1.0 (95% range 0.10–1.9). A 5-year backtest shows a typical error of ±17.9%, with 100% of held-out values landing inside the 95% band.

-11%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 →
1.0Projected 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 →
0.10–1.995% 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 →
±17.9%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, Red-eyed Vireo in Florida is projected to fall about 11% by 2030 — from 1.1 in 2025 to a central estimate of 1.0 (95% range 0.10–1.9). A 5-year backtest shows a typical error of ±17.9%, 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 →
20261.10.212.0
20271.10.182.0
20281.10.162.0
20291.00.132.0
20301.00.101.9

Red-eyed Vireo Survey Routes in Florida

Routes recording Red-eyed Vireo in Florida.
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 →
Cross City2920231989
Miller Xrds1120191987
Steinhatchee920251967
Island Grove620251992
Mt. Olive620252002
Port St Joe520101968
Micanopy519911966
Kenansville520251967
Seminole Hills 2520222002
New Hope420112009
Lovedale420112003
Miccosukee320251967
Covington320191966
Romeo320251966
Ft Gadsden320251969
Doctors Inlet 2320182008
Green Swamp320211987
Blountstown220251966
Seminole Hls220001967
San Antonio220251967
Belmore220241966
Childs220131988
Sanderson220181971
Defuniak Spr220221987
Betts220251987

Red-eyed Vireo Population Trend in Other States

alabamaalaskaarkansascoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming

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