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

Bushtit In Coastal California

Bushtit in Coastal California has fallen sharply: down 50% on the route-weighted index since 1970.

-50%Since 1970
106Routes In Region
56Years

Notable Signals

No notable trend signals for Bushtit in Coastal California. See the full index history below.

Forecast

If the recent trend holds, Bushtit in Coastal California is projected to fall about 10% by 2029 — from 6.6 in 2024 to a central estimate of 5.9 (95% range 2.3–9.5). A 5-year backtest shows a typical error of ±31%, with 100% of held-out values landing inside the 95% band.

-10%Change by 2029
5.9Projected 2029 index
2.39.595% range
±31%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
20256.12.59.7
20266.02.49.6
20276.02.49.6
20285.92.39.5
20295.92.39.5

Routes In Coastal California

Routes recording Bushtit in Coastal California.
PowayCALIFORNIA961980
Morro BayCALIFORNIA812019
Foster ParkCALIFORNIA521994
Jofegan 2CALIFORNIA472024
Santa YnezCALIFORNIA352019
AuburnCALIFORNIA351980
JacksonCALIFORNIA301992
Elsinore MtnCALIFORNIA282024
Mt Pinos 2CALIFORNIA262021
CoyoteCALIFORNIA262024
AdelaidaCALIFORNIA252024
ColmaCALIFORNIA241972
OrlandCALIFORNIA212022
MoragaCALIFORNIA192024
Orange CoveCALIFORNIA172016
StonyfordCALIFORNIA162018
San YsidroCALIFORNIA152019
SangerCALIFORNIA152024
Yokohl ValCALIFORNIA141997
FairfaxCALIFORNIA142024
Carmel ValCALIFORNIA142024
Cuyamaca PkCALIFORNIA142024
ReddingCALIFORNIA141980
OnealsCALIFORNIA142024
CoalingaCALIFORNIA132014

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