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

Eastern Towhee Population Trend in Nebraska

All statesGeneralists

Eastern Towhee in Nebraska has declined: down 34% on the route-weighted index since 1970.

-34%Since 1970TrendPercent 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 →
27Routes 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 →
51YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Eastern Towhee 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 →

No notable trend signals for Eastern Towhee in Nebraska. See the full index history below.

Eastern Towhee Population Forecast in Nebraska

If the recent trend holds, Eastern Towhee in Nebraska is projected to stay roughly flat through 2029, near 0.20 (95% range 0.01–0.40). A 5-year backtest shows a typical error of ±45.9%, with 100% of held-out values landing inside the 95% band.

-1%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 →
0.20Projected 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 →
0.01–0.4095% 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 →
±45.9%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, Eastern Towhee in Nebraska is projected to stay roughly flat through 2029, near 0.20 (95% range 0.01–0.40). A 5-year backtest shows a typical error of ±45.9%, 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 →
20250.200.010.40
20260.200.010.40
20270.200.010.40
20280.200.010.40
20290.200.010.40

Eastern Towhee Survey Routes in Nebraska

Routes recording Eastern Towhee 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 →
Midway620161967
Ponca420242018
Liberty219911976
Thurston220241967
Liberty 3220192013
Julian120161971
Johnson120241969
Belvidere120242024
Kearney120091999
Sumner120042002
Holbrook120152015
Gretna120161967
Irvington120181967
Surprise120212012
Richland120161982
Petersburg120172017
Sparta119981987
Eagle Creek120101988
Gordon119761976
Brady120181997
Ringgold120002000
Lyons120212021
Murdock120242021
Humboldt120242024
Liberty 2120072007

Eastern Towhee Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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