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

Red-breasted Nuthatch In Coastal California

All regionsCoastal CaliforniaForest birds

Red-breasted Nuthatch in Coastal California has risen sharply: up 55% on the route-weighted index since 1972.

+55%Since 1972
42Routes In Region
54Years

Notable Signals

long arc increasecomputed index

Red-breasted Nuthatch has risen sharply in Coastal California: up 55% on the route-weighted index since 1972.

Forecast

If the recent trend holds, Red-breasted Nuthatch in Coastal California is projected to rise about 57% by 2029 — from 0.47 in 2024 to a central estimate of 0.74 (95% range 0.33–1.1). A 5-year backtest shows a typical error of ±82.1%, with 80% of held-out values landing inside the 95% band.

+57%Change by 2029
0.74Projected 2029 index
0.33–1.195% range
±82.1%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
20250.710.301.1
20260.710.311.1
20270.720.321.1
20280.730.331.1
20290.740.331.1

Routes In Coastal California

Routes recording Red-breasted Nuthatch in Coastal California.
Lake Hemet 2CALIFORNIA261993
StonyfordCALIFORNIA242018
Hough SpringsCALIFORNIA152007
FairfaxCALIFORNIA132024
Bartlett SpsCALIFORNIA112018
CohassetCALIFORNIA72024
AdelaidaCALIFORNIA71975
TomheadCALIFORNIA62011
TehamaCALIFORNIA52022
White RiverCALIFORNIA41992
FolsomCALIFORNIA31995
ValyermoCALIFORNIA32019
Mt Pinos 2CALIFORNIA32021
Yolla BollyCALIFORNIA31973
Angelus OaksCALIFORNIA32014
CalpellaCALIFORNIA21982
Point ReyesCALIFORNIA22011
Mt LagunaCALIFORNIA21971
Green ValleyCALIFORNIA22022
MoragaCALIFORNIA22024
Red BluffCALIFORNIA11991
ColmaCALIFORNIA11972
Yokohl ValCALIFORNIA11993
ParkfieldCALIFORNIA12008
Mt PinosCALIFORNIA11993

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