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

Wood Thrush Population Trend in Texas

All statesForest birds

Wood Thrush in Texas has edged down: down 15% on the route-weighted index since 1969.

-15%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 →
34Routes 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 Wood Thrush Trends in TexasNotable 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 Wood Thrush in Texas. See the full index history below.

Wood Thrush Population Forecast in Texas

If the recent trend holds, Wood Thrush in Texas is projected to fall about 50% by 2030 — from 0.37 in 2025 to a central estimate of 0.18 (95% range 0.00–0.40). A 5-year backtest shows a typical error of ±59.7%, with 60% of held-out values landing inside the 95% band.

-50%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 →
0.18Projected 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 →
0.00–0.4095% 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 →
±59.7%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, Wood Thrush in Texas is projected to fall about 50% by 2030 — from 0.37 in 2025 to a central estimate of 0.18 (95% range 0.00–0.40). A 5-year backtest shows a typical error of ±59.7%, with 60% 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 →
20260.190.000.41
20270.190.000.41
20280.190.000.40
20290.190.000.40
20300.180.000.40

Wood Thrush Survey Routes in Texas

Routes recording Wood Thrush in Texas.
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 →
Diboll1320251968
Alexander St1020251995
Big Sandy Bith920242015
Lance Rosier Bith720192015
Smyrna720101995
Livingston520251970
Mt. Selman420251999
Morton320251970
Crossroads320251967
Weches320251995
Bon Wier320251996
Neches Bith220172016
Winnie219761972
Town Bluff220251967
Massey Lake220012001
Powell Park 2220252022
Easton 2220252014
Fred220251995
Union Hill220211994
Dike220181970
Smyrna 2220252012
Powell Park220211995
New Waverly120251969
Oak Grove119861977
Peach Creek119891969

Wood Thrush Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseevermontvirginiawest-virginiawisconsin

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