BirdAnalyst
Guild · Tennessee · BBS 2025 Release · 1966–2024

Forest Birds In Tennessee

All statesTennessee

49 species in this guild. As a group they are +61%Guild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology → since 1968.

Guild 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 forest birds in Tennessee. See the full index history below.

Forest Birds In Tennessee Population Forecast

If the recent trend holds, Forest birds in Tennessee is projected to rise about 13% by 2029 — from 4.3 in 2024 to a central estimate of 4.9 (95% range 4.3–5.5). A 5-year backtest shows a typical error of ±20.3%, with 0% of held-out values landing inside the 95% band.

+13%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 →
4.9Projected 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 →
4.3–5.595% 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 →
±20.3%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, Forest birds in Tennessee is projected to rise about 13% by 2029 — from 4.3 in 2024 to a central estimate of 4.9 (95% range 4.3–5.5). A 5-year backtest shows a typical error of ±20.3%, with 0% 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 →
20254.84.15.4
20264.84.25.4
20274.84.25.5
20284.94.25.5
20294.94.35.5

Member Species In Tennessee

Forest birds species in Tennessee.
TrendPercent 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 →
Yellow WarblerParulidae-98%
Bewick's WrenTroglodytidae-95%
Cerulean WarblerParulidae-53%
Golden-winged WarblerParulidae-49%
Common YellowthroatParulidae-44%
Blue-winged WarblerParulidae-36%
Prairie WarblerParulidae-28%
American RedstartParulidae-12%
Black-and-white WarblerParulidae-9%
Wood ThrushTurdidae+0%
Chestnut-sided WarblerParulidae+19%
OvenbirdParulidae+32%
Kentucky WarblerParulidae+47%
American RobinTurdidae+49%
Pileated WoodpeckerPicidae+56%
Eastern BluebirdTurdidae+63%
Tufted TitmouseParidae+71%
Louisiana WaterthrushParulidae+81%
Carolina ChickadeeParidae+82%
Red-bellied WoodpeckerPicidae+89%
Red-headed WoodpeckerPicidae+101%
Prothonotary WarblerParulidae+121%
Downy WoodpeckerPicidae+122%
White-eyed VireoVireonidae+125%
Yellow-throated VireoVireonidae+134%
Canada WarblerParulidae+135%
Worm-eating WarblerParulidae+146%
VeeryTurdidae+147%
Red-eyed VireoVireonidae+156%
Hairy WoodpeckerPicidae+163%
Brown-headed NuthatchSittidae+174%
Carolina WrenTroglodytidae+183%
Blue-gray GnatcatcherPolioptilidae+189%
Brown CreeperCerthiidae+217%
Golden-crowned KingletRegulidae+231%
Red-breasted NuthatchSittidae+285%
Hooded WarblerParulidae+326%
Yellow-throated WarblerParulidae+341%
Warbling VireoVireonidae+398%
Black-throated Green WarblerParulidae+623%
Black-throated Blue WarblerParulidae+705%
Northern House WrenTroglodytidae+724%
Blackburnian WarblerParulidae+763%
Blue-headed VireoVireonidae14×
Winter WrenTroglodytidae16×
Pine WarblerParulidae18×
White-breasted NuthatchSittidae21×
Swainson's WarblerParulidae24×
Northern ParulaParulidae25×

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