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

Northern House Wren In Coastal California

All regionsCoastal CaliforniaForest birds

Northern House Wren in Coastal California has increased: up 26% on the route-weighted index since 1970.

+26%Since 1970
106Routes In Region
56Years

Notable Signals

No notable trend signals for Northern House Wren in Coastal California. See the full index history below.

Forecast

If the recent trend holds, Northern House Wren in Coastal California is projected to stay roughly flat through 2029, near 5.3 (95% range 1.9–8.7). A 5-year backtest shows a typical error of ±37.1%, with 100% of held-out values landing inside the 95% band.

-0%Change by 2029
5.3Projected 2029 index
1.9–8.795% range
±37.1%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
20255.31.98.7
20265.31.98.7
20275.31.98.7
20285.31.98.7
20295.31.98.7

Routes In Coastal California

Routes recording Northern House Wren in Coastal California.
White RiverCALIFORNIA801992
Cal Hot SpgsCALIFORNIA672019
Carmel ValCALIFORNIA352024
LockwoodCALIFORNIA352024
El ToroCALIFORNIA321999
Yokohl ValCALIFORNIA291997
Santa YnezCALIFORNIA282019
Lake SuccessCALIFORNIA281996
Mesa GrandeCALIFORNIA282024
Cuyamaca PkCALIFORNIA272024
JacksonCALIFORNIA211992
PowayCALIFORNIA201980
FallsvaleCALIFORNIA181981
Cleveland NfCALIFORNIA172018
Harbor Lake 2CALIFORNIA172024
Elsinore MtnCALIFORNIA162024
Cp. PendletonCALIFORNIA152003
Lake BerryessaCALIFORNIA142024
Foster ParkCALIFORNIA131994
Mt BaldyCALIFORNIA132024
Lake HemetCALIFORNIA101986
Bartlett SpsCALIFORNIA102018
South LakeCALIFORNIA102006
Cleveland Nf 2CALIFORNIA92022
Green ValleyCALIFORNIA82019

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