BirdAnalyst
Guild · Rhode Island · BBS 2025 Release · 1966–2024

Generalists In Rhode Island

All statesRhode Island

35 species in this guild. As a group they are -1%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 generalists in Rhode Island. See the full index history below.

Forecast

If the recent trend holds, Generalists in Rhode Island is projected to rise about 78% by 2029 — from 11 in 2024 to a central estimate of 20 (95% range 0.12–39). A 5-year backtest shows a typical error of ±102%, with 100% of held-out values landing inside the 95% band.

+78%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 →
20Projected 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 →
0.12–3995% 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 →
±102%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, Generalists in Rhode Island is projected to rise about 78% by 2029 — from 11 in 2024 to a central estimate of 20 (95% range 0.12–39). A 5-year backtest shows a typical error of ±102%, 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 →
2025200.0039
2026200.0139
2027200.0539
2028200.0839
2029200.1239

Member Species In Rhode Island

Generalists 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%
American KestrelFalconidae-84%
Purple FinchFringillidae-81%
Black-billed CuckooCuculidae-76%
Rock PigeonColumbidae-74%
Northern MockingbirdMimidae-67%
European StarlingSturnidae-64%
Red-winged BlackbirdIcteridae-62%
Eastern TowheePasserellidae-62%
Blue JayCorvidae-52%
Scarlet TanagerCardinalidae-41%
Swamp SparrowPasserellidae-40%
Common GrackleIcteridae-28%
Broad-winged HawkAccipitridae-22%
Field SparrowPasserellidae-19%
Baltimore OrioleIcteridae+11%
American CrowCorvidae+41%
Song SparrowPasserellidae+50%
Red-shouldered HawkAccipitridae+69%
House SparrowPasseridae+85%
Barred OwlStrigidae+118%
American GoldfinchFringillidae+127%
Red-tailed HawkAccipitridae+150%
Gray CatbirdMimidae+172%
Yellow-billed CuckooCuculidae+173%
Brown-headed CowbirdIcteridae+174%
House FinchFringillidae+237%
Ruby-throated HummingbirdTrochilidae+251%
Rose-breasted GrosbeakCardinalidae+256%
Indigo BuntingCardinalidae+272%
Turkey VultureCathartidae+274%
Mourning DoveColumbidae+337%
Chipping SparrowPasserellidae+413%
Cedar WaxwingBombycillidae11×
Northern CardinalCardinalidae45×

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