Species · Rhode Island · BBS 2025 Release · 1966–2024
Blue Jay Population Trend in Rhode Island
Blue Jay in Rhode Island has fallen sharply: down 52% on the route-weighted index since 1968.
-52%Since 1968
7Routes In State
53Years
Notable Blue Jay Trends in Rhode Island
long arc declinecomputed index
Blue Jay has fallen sharply in Rhode Island: down 52% on the route-weighted index since 1968.
Blue Jay Population Forecast in Rhode Island
If the recent trend holds, Blue Jay in Rhode Island is projected to fall about 58% by 2029 — from 8.0 in 2024 to a central estimate of 3.4 (95% range 0.00–13). A 5-year backtest shows a typical error of ±41%, with 100% of held-out values landing inside the 95% band.
-58%Change by 2029
3.4Projected 2029 index
0.00–1395% range
±41%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.4 | 0.00 | 14 |
| 2026 | 4.1 | 0.00 | 13 |
| 2027 | 3.9 | 0.00 | 13 |
| 2028 | 3.6 | 0.00 | 13 |
| 2029 | 3.4 | 0.00 | 13 |
Blue Jay Survey Routes in Rhode Island
| Pulaski | 16 | 1992 | 1991 |
| Wallum Lake | 14 | 2024 | 1973 |
| Casimir Pulaski Sf | 13 | 2018 | 2016 |
| Quonset Pt | 6 | 2024 | 1966 |
| Block Island | 5 | 2010 | 1987 |
| Sachuest Pt | 5 | 1990 | 1966 |
| Shannock | 4 | 2024 | 1973 |
Blue Jay Population Trend in Other States
alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.