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

Forest Birds In Kentucky

All statesKentucky

39 species in this guild. As a group they are +15%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 Kentucky. See the full index history below.

Forest Birds In Kentucky Population Forecast

If the recent trend holds, Forest birds in Kentucky is projected to rise about 24% by 2029 — from 4.5 in 2024 to a central estimate of 5.6 (95% range 4.6–6.7). A 5-year backtest shows a typical error of ±21.7%, with 40% of held-out values landing inside the 95% band.

+24%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 →
5.6Projected 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 →
4.6–6.795% 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 →
±21.7%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 Kentucky is projected to rise about 24% by 2029 — from 4.5 in 2024 to a central estimate of 5.6 (95% range 4.6–6.7). A 5-year backtest shows a typical error of ±21.7%, with 40% 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 →
20255.54.56.6
20265.54.56.6
20275.64.56.6
20285.64.56.6
20295.64.66.7

Member Species In Kentucky

Forest birds species in Kentucky.
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 →
Bewick's WrenTroglodytidae-97%
Yellow WarblerParulidae-82%
Eastern BluebirdTurdidae-59%
Cerulean WarblerParulidae-57%
American RedstartParulidae-55%
Downy WoodpeckerPicidae-37%
Common YellowthroatParulidae-16%
Bell's VireoVireonidae-14%
Carolina ChickadeeParidae-13%
Tufted TitmouseParidae-12%
Wood ThrushTurdidae-1%
Swainson's WarblerParulidae+15%
Pileated WoodpeckerPicidae+16%
Black-and-white WarblerParulidae+17%
Blue-winged WarblerParulidae+20%
Kentucky WarblerParulidae+22%
Hairy WoodpeckerPicidae+30%
American RobinTurdidae+32%
Pine WarblerParulidae+42%
Red-bellied WoodpeckerPicidae+45%
Prothonotary WarblerParulidae+51%
Blue-headed VireoVireonidae+52%
Prairie WarblerParulidae+54%
OvenbirdParulidae+55%
Blue-gray GnatcatcherPolioptilidae+58%
Yellow-throated VireoVireonidae+63%
White-eyed VireoVireonidae+63%
Red-eyed VireoVireonidae+64%
Worm-eating WarblerParulidae+69%
Black-throated Green WarblerParulidae+90%
Louisiana WaterthrushParulidae+119%
Carolina WrenTroglodytidae+132%
Hooded WarblerParulidae+144%
Warbling VireoVireonidae+145%
Red-headed WoodpeckerPicidae+146%
Yellow-throated WarblerParulidae+437%
White-breasted NuthatchSittidae12×
Northern House WrenTroglodytidae15×
Northern ParulaParulidae24×

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