BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Wood Thrush In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

Wood Thrush in Southeastern Coastal Plain has fallen sharply: down 50% on the route-weighted index since 1968.

-50%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 →
324Routes In RegionSurvey 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 SignalsNotable 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 Southeastern Coastal Plain. See the full index history below.

Wood Thrush In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Wood Thrush in Southeastern Coastal Plain is projected to fall about 48% by 2029 — from 4.6 in 2024 to a central estimate of 2.4 (95% range 0.00–4.9). A 5-year backtest shows a typical error of ±40.8%, with 80% of held-out values landing inside the 95% band.

-48%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 →
2.4Projected 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 →
0.00–4.995% 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 →
±40.8%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 Southeastern Coastal Plain is projected to fall about 48% by 2029 — from 4.6 in 2024 to a central estimate of 2.4 (95% range 0.00–4.9). A 5-year backtest shows a typical error of ±40.8%, with 80% of held-out values landing inside the 95% band.19662029
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 →
20252.90.485.4
20262.80.355.3
20272.70.235.1
20282.50.105.0
20292.40.004.9

Routes In Southeastern Coastal Plain

Routes recording Wood Thrush in Southeastern Coastal Plain.
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 LormanMISSISSIPPI362019
CorinthMISSISSIPPI342024
Mt CarmelMISSISSIPPI332016
Trace ChickasawMISSISSIPPI312024
EpesALABAMA302024
LindenALABAMA292023
EmbryMISSISSIPPI282024
DuffeeMISSISSIPPI272008
Trace SouthMISSISSIPPI272019
Okatibbee L.MISSISSIPPI252008
Trace HindsMISSISSIPPI252022
BeargrassNORTH-CAROLINA251981
StarMISSISSIPPI242024
MonticelloMISSISSIPPI232017
Sandy CreekMISSISSIPPI222000
MansfieldTENNESSEE222024
BackbayVIRGINIA221974
BeatriceALABAMA212021
LakeMISSISSIPPI212024
BickhamLOUISIANA202024
ForestMISSISSIPPI202024
Holly SpringsMISSISSIPPI202024
MashoesNORTH-CAROLINA201975
NorwoodLOUISIANA192024
Trace CentralMISSISSIPPI192022

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