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Species · Mississippi · BBS 2026 Release · 1966–2025

Wood Thrush Population Trend in Mississippi

All statesForest birds

Wood Thrush in Mississippi has risen sharply: up 61% on the route-weighted index since 1968.

+61%Since 1968TrendPercent 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 →
73Routes 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 →
59YearsYears 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 MississippiNotable 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 →

Wood Thrush has risen sharply in Mississippi: up 61% on the route-weighted index since 1968.

Wood Thrush Population Forecast in Mississippi

If the recent trend holds, Wood Thrush in Mississippi is projected to fall about 27% by 2030 — from 12 in 2025 to a central estimate of 9.1 (95% range 4.7–13). A 5-year backtest shows a typical error of ±29.8%, with 60% of held-out values landing inside the 95% band.

-27%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 →
9.1Projected 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 →
4.7–1395% 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 →
±29.8%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 Mississippi is projected to fall about 27% by 2030 — from 12 in 2025 to a central estimate of 9.1 (95% range 4.7–13). A 5-year backtest shows a typical error of ±29.8%, with 60% of held-out values landing inside the 95% band.19662030
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 →
20269.04.613
20279.04.613
20289.04.613
20299.14.613
20309.14.713

Wood Thrush Survey Routes in Mississippi

Routes recording Wood Thrush in Mississippi.
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 →
Trace Lorman3620192016
Embry3420251988
Mt Carmel3320161974
Trace Chickasaw2820252012
Forest2720251972
Duffee2720081973
Trace South2720192007
Okatibbee L.2520081995
Monticello2320172007
Sandy Creek2220001993
Lake2120251966
Holly Springs2020242009
Trace Hinds1920252014
Olive Branch 21920222016
Star1820252016
Tupelo1720221966
Oak Ridge Vick1720212015
Trace Choctaw1720192012
Scooba1619821967
Weir1620252007
Trace Attala1620192016
Trace Central1520252007
Vicksburg Np1520212016
Corinth1420251972
Waynesboro1320101968

Wood Thrush Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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