BirdAnalyst
Species · BCR 32 · BBS 2025 Release · 1966–2024

California Scrub-Jay In Coastal California

All regionsCoastal CaliforniaGeneralists

California Scrub-Jay in Coastal California has held roughly steady: down 1% on the route-weighted index since 1970.

-1%Since 1970
115Routes In Region
56Years

Notable Signals

No notable trend signals for California Scrub-Jay in Coastal California. See the full index history below.

Forecast

If the recent trend holds, California Scrub-Jay in Coastal California is projected to stay roughly flat through 2029, near 20 (95% range 14–27). A 5-year backtest shows a typical error of ±24.1%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
20Projected 2029 index
14–2795% range
±24.1%Backtest error
19682029
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
2025201427
2026201427
2027201427
2028201427
2029201427

Routes In Coastal California

Routes recording California Scrub-Jay in Coastal California.
ColmaCALIFORNIA1151972
AuburnCALIFORNIA731980
JacumbaCALIFORNIA712024
GravesboroCALIFORNIA611995
White RiverCALIFORNIA611992
Elsinore MtnCALIFORNIA552024
SisquocCALIFORNIA532014
Lake CachumaCALIFORNIA482016
Cuyamaca PkCALIFORNIA472024
Tres Pinos 2CALIFORNIA462011
Anza 2CALIFORNIA442024
Mt LagunaCALIFORNIA431987
RumseyCALIFORNIA422008
Santa YnezCALIFORNIA402019
CoalingaCALIFORNIA402022
Lockwood ValCALIFORNIA392019
AnzaCALIFORNIA352004
HughsonCALIFORNIA332024
Lake BerryessaCALIFORNIA332024
Mt Pinos 2CALIFORNIA332024
TehamaCALIFORNIA332022
Mesa GrandeCALIFORNIA312024
Gold HillCALIFORNIA312024
CoyoteCALIFORNIA312024
South LakeCALIFORNIA312006

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