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

Oak Titmouse In Coastal California

All regionsCoastal CaliforniaForest birds

Oak Titmouse in Coastal California has risen sharply: up 61% on the route-weighted index since 1970.

+61%Since 1970
102Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Oak Titmouse has risen sharply in Coastal California: up 61% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Oak Titmouse in Coastal California is projected to rise about 19% by 2029 — from 11 in 2024 to a central estimate of 13 (95% range 7.7–18). A 5-year backtest shows a typical error of ±36.2%, with 100% of held-out values landing inside the 95% band.

+19%Change by 2029
13Projected 2029 index
7.7–1895% range
±36.2%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
2025137.517
2026137.618
2027137.618
2028137.718
2029137.718

Routes In Coastal California

Routes recording Oak Titmouse in Coastal California.
White RiverCALIFORNIA801992
AuburnCALIFORNIA581980
SisquocCALIFORNIA502014
JacksonCALIFORNIA431992
Tres Pinos 2CALIFORNIA422011
Carmel ValCALIFORNIA412024
Elsinore MtnCALIFORNIA412024
RumseyCALIFORNIA372008
Orange CoveCALIFORNIA362016
Lake BerryessaCALIFORNIA342024
CoyoteCALIFORNIA342024
Gold HillCALIFORNIA312024
Yokohl ValCALIFORNIA301997
AdelaidaCALIFORNIA282024
South LakeCALIFORNIA272006
LockwoodCALIFORNIA262024
ColmaCALIFORNIA241972
Santa YnezCALIFORNIA232019
Lake SuccessCALIFORNIA231996
FolsomCALIFORNIA222024
Morro BayCALIFORNIA212019
Red BluffCALIFORNIA202024
San Benito Mtn.CALIFORNIA202009
Tres PinosCALIFORNIA182003
Cuyamaca PkCALIFORNIA182024

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