BirdAnalyst
Species · Nebraska · BBS 2025 Release · 1966–2024

Red-eyed Vireo Population Trend in Nebraska

All statesForest birds

Red-eyed Vireo in Nebraska has surged: up 402% on the route-weighted index since 1969.

+402%Since 1969TrendPercent 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 →
51Routes 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 →
55YearsYears 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 NebraskaNotable 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 Nebraska: up 402% on the route-weighted index since 1969.

Red-eyed Vireo Population Forecast in Nebraska

If the recent trend holds, Red-eyed Vireo in Nebraska is projected to stay roughly flat through 2029, near 1.2 (95% range 0.61–1.7). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.

+2%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 →
1.2Projected 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 →
0.61–1.795% 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 →
±16%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 Nebraska is projected to stay roughly flat through 2029, near 1.2 (95% range 0.61–1.7). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20251.10.541.7
20261.10.561.7
20271.10.571.7
20281.20.591.7
20291.20.611.7

Red-eyed Vireo Survey Routes in Nebraska

Routes recording Red-eyed Vireo in Nebraska.
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 →
Red Cloud1020242018
Pine Ridge820241999
Crawford620241980
Brady520232002
Almeria420211983
Julian320241969
Johnson320241968
Oglala Nat. Grass.320112001
Eagle Creek320241969
Midway320231970
Crookston320242019
Liberty 3320242014
Kearney220241973
Petersburg220211992
Kimball220211975
Ponca220192018
Hendley220242021
Hampton220232019
Murdock220242023
Liberty120031969
Agate 2120222010
Kenesaw120232016
Sumner120242016
Holbrook120152014
Bartley120142003

Red-eyed Vireo Population Trend in Other States

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

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