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

Wood Thrush Population Trend in Texas

All statesForest birds

Wood Thrush in Texas has edged down: down 20% on the route-weighted index since 1969.

-20%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 →
57YearsYears 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 45% by 2029 — from 0.31 in 2024 to a central estimate of 0.17 (95% range 0.00–0.38). A 5-year backtest shows a typical error of ±54.6%, with 60% of held-out values landing inside the 95% band.

-45%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 →
0.17Projected 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 →
0.00–0.3895% 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 →
±54.6%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 45% by 2029 — from 0.31 in 2024 to a central estimate of 0.17 (95% range 0.00–0.38). A 5-year backtest shows a typical error of ±54.6%, with 60% 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 →
20250.180.000.40
20260.180.000.39
20270.180.000.39
20280.170.000.39
20290.170.000.38

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 →
Big Sandy Bith920242015
Diboll920241968
Lance Rosier Bith720192015
Smyrna720101995
New Waverly520241969
Smyrna 2520232012
Bon Wier520241996
Town Bluff420241967
Mt. Selman420231999
Livingston320241970
Powell Park 2320242022
Morton320241970
Neches Bith220172016
Winnie219761972
Caledonia220241970
Massey Lake220012001
Crossroads220231967
Athens220231968
Fred220241995
Union Hill220211994
Dike220181970
Alexander St220241995
Powell Park220211995
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 2026-05-22.