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

Tree Swallow Population Trend in Rhode Island

All statesAerial insectivores

Tree Swallow in Rhode Island has fallen sharply: down 60% on the route-weighted index since 1972.

-60%Since 1972
6Routes In State
41Years

Notable Tree Swallow Trends in Rhode Island

long arc declinecomputed index

Tree Swallow has fallen sharply in Rhode Island: down 60% on the route-weighted index since 1972.

Tree Swallow Population Forecast in Rhode Island

If the recent trend holds, Tree Swallow in Rhode Island is projected to rise about 101% by 2029 — from 1.0 in 2024 to a central estimate of 2.0 (95% range 0.00–6.0). A 5-year backtest shows a typical error of ±177.4%, with 100% of held-out values landing inside the 95% band.

+101%Change by 2029
2.0Projected 2029 index
0.00–6.095% range
±177.4%Backtest error
19692029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20252.10.006.1
20262.10.006.0
20272.10.006.0
20282.00.006.0
20292.00.006.0

Tree Swallow Survey Routes in Rhode Island

Routes recording Tree Swallow in Rhode Island.
Sachuest Pt519901969
Block Island320101987
Casimir Pulaski Sf320182016
Shannock220241973
Quonset Pt120221972
Wallum Lake120241973

Tree Swallow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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