BirdAnalyst
Guild · Rhode Island · BBS 2026 Release · 1966–2025

Forest Birds In Rhode Island

All statesRhode Island

50 species in this guild. As a group they are +76%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 Rhode Island. See the full index history below.

Forest Birds In Rhode Island Population Forecast

If the recent trend holds, Forest birds in Rhode Island is projected to rise about 70% by 2030 — from 10 in 2025 to a central estimate of 18 (95% range 4.7–31). A 5-year backtest shows a typical error of ±75.7%, with 100% of held-out values landing inside the 95% band.

+70%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 →
18Projected 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 →
4.7–3195% 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 →
±75.7%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 Rhode Island is projected to rise about 70% by 2030 — from 10 in 2025 to a central estimate of 18 (95% range 4.7–31). A 5-year backtest shows a typical error of ±75.7%, with 100% 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 →
2026174.130
2027174.330
2028184.431
2029184.631
2030184.731

Member Species In Rhode Island

Forest birds species in Rhode Island.
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 →
Brown ThrasherMimidae-89%
Chestnut-sided WarblerParulidae-80%
Canada WarblerParulidae-77%
Black-billed CuckooCuculidae-76%
Purple FinchFringillidae-75%
Prairie WarblerParulidae-73%
Black-throated Green WarblerParulidae-69%
Eastern TowheePasserellidae-56%
Blue JayCorvidae-56%
Wood ThrushTurdidae-51%
White-eyed VireoVireonidae-43%
Field SparrowPasserellidae-43%
Scarlet TanagerCardinalidae-36%
Blue-headed VireoVireonidae-33%
Hermit ThrushTurdidae-30%
Baltimore OrioleIcteridae+3%
VeeryTurdidae+22%
Common YellowthroatParulidae+49%
Yellow-billed CuckooCuculidae+50%
Black-and-white WarblerParulidae+53%
Black-capped ChickadeeParidae+78%
Song SparrowPasserellidae+85%
Blue-winged WarblerParulidae+89%
Northern House WrenTroglodytidae+95%
Northern WaterthrushParulidae+95%
American GoldfinchFringillidae+113%
American RobinTurdidae+116%
Hairy WoodpeckerPicidae+117%
Red-eyed VireoVireonidae+151%
Ruby-throated HummingbirdTrochilidae+163%
Eastern BluebirdTurdidae+179%
Gray CatbirdMimidae+184%
Indigo BuntingCardinalidae+186%
Worm-eating WarblerParulidae+194%
Downy WoodpeckerPicidae+219%
Rose-breasted GrosbeakCardinalidae+228%
Yellow-throated VireoVireonidae+233%
American RedstartParulidae+307%
OvenbirdParulidae+320%
Warbling VireoVireonidae+356%
White-breasted NuthatchSittidae+381%
Chipping SparrowPasserellidae+390%
Yellow WarblerParulidae+514%
Pine WarblerParulidae+548%
Blue-gray GnatcatcherPolioptilidae+575%
Red-bellied WoodpeckerPicidae+801%
Cedar WaxwingBombycillidae16×
Carolina WrenTroglodytidae24×
Tufted TitmouseParidae35×
Northern CardinalCardinalidae41×

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