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Species · Louisiana · BBS 2026 Release · 1966–2025

Eastern Towhee Population Trend in Louisiana

All statesForest birds

Eastern Towhee in Louisiana has edged up: up 24% on the route-weighted index since 1969.

+24%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 →
85Routes 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 Eastern Towhee Trends in LouisianaNotable 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 Louisiana. See the full index history below.

Eastern Towhee Population Forecast in Louisiana

If the recent trend holds, Eastern Towhee in Louisiana is projected to rise about 69% by 2030 — from 3.4 in 2025 to a central estimate of 5.8 (95% range 2.7–8.9). A 5-year backtest shows a typical error of ±77.7%, with 40% of held-out values landing inside the 95% band.

+69%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 →
5.8Projected 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 →
2.7–8.995% 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 →
±77.7%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, Eastern Towhee in Louisiana is projected to rise about 69% by 2030 — from 3.4 in 2025 to a central estimate of 5.8 (95% range 2.7–8.9). A 5-year backtest shows a typical error of ±77.7%, with 40% of held-out values landing inside the 95% band.19672030
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 →
20265.72.68.8
20275.72.68.8
20285.72.68.8
20295.72.68.8
20305.82.78.9

Eastern Towhee Survey Routes in Louisiana

Routes recording Eastern Towhee in Louisiana.
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 →
Pine Prairie2119971995
Marion1919961988
Norwood1520252004
Bickham1420251972
Slidell1419881984
Oakdale1419941991
Plettenberg1320221968
Flat Creek1320251998
Lake Cove1320182008
Lacombe1219831967
Trout1220251988
Pearl River1120251989
Hargis1120112005
Hargis 21120142013
Carlisle919881968
Easton919901974
Transylvania920251998
Vinton 2920172016
Greensburg820221988
Frogmore820251998
Mayflower720251967
Fishville720171975
Concord720192006
Shaw620241972
Franklinton620252008

Eastern Towhee Population Trend in Other States

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

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