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

Wood Thrush Population Trend in Florida

All statesForest birds

Wood Thrush in Florida has fallen sharply: down 63% on the route-weighted index since 1968.

-63%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 →
39Routes 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 FloridaNotable 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 declinecomputed 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 fallen sharply in Florida: down 63% on the route-weighted index since 1968.

Wood Thrush Population Forecast in Florida

If the recent trend holds, Wood Thrush in Florida is projected to fall about 43% by 2029 — from 0.17 in 2024 to a central estimate of 0.10 (95% range 0.00–0.50). A 5-year backtest shows a typical error of ±78%, with 100% of held-out values landing inside the 95% band.

-43%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 →
0.10Projected 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 →
0.00–0.5095% 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 →
±78%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 Florida is projected to fall about 43% by 2029 — from 0.17 in 2024 to a central estimate of 0.10 (95% range 0.00–0.50). A 5-year backtest shows a typical error of ±78%, with 100% 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 →
20250.140.000.54
20260.130.000.53
20270.120.000.52
20280.110.000.51
20290.100.000.50

Wood Thrush Survey Routes in Florida

Routes recording Wood Thrush in Florida.
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 →
New Hope920112009
Laurel Hill720242012
Seminole Hills 2620222002
Telogia419841968
Miller Xrds420191987
Cross City420061999
Mossy Head320041966
Ft Waltn Bch219781975
Seminole Hls220001969
Osceola220021997
Eglin A.F.B.220092009
Sanderson219841971
Defuniak Spr220211987
Bloxham220031987
Callahan219921990
Oak Grove 2220242017
Oak Grove120161967
Blountstown120231966
Broad Branch120101967
Miccosukee120241967
Port St Joe119691969
Covington119931971
Apalachicola120221990
Belmont119951970
Lovedale120111988

Wood Thrush Population Trend in Other States

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

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