BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Western Bluebird In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestForest birds

Western Bluebird in Northern Pacific Rainforest has fallen sharply: down 52% on the route-weighted index since 1970.

-52%Since 1970
72Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Western Bluebird has fallen sharply in Northern Pacific Rainforest: down 52% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Western Bluebird in Northern Pacific Rainforest is projected to fall about 17% by 2029 — from 0.33 in 2024 to a central estimate of 0.28 (95% range 0.00–0.78). A 5-year backtest shows a typical error of ±38.1%, with 100% of held-out values landing inside the 95% band.

-17%Change by 2029
0.28Projected 2029 index
0.00–0.7895% range
±38.1%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
20250.320.000.82
20260.310.000.81
20270.300.000.80
20280.290.000.79
20290.280.000.78

Routes In Northern Pacific Rainforest

Routes recording Western Bluebird in Northern Pacific Rainforest.
AlderpointCALIFORNIA112012
HoneydewCALIFORNIA92017
NavarroCALIFORNIA92009
Emigrant LkOREGON82001
Sams ValleyOREGON82024
Burnt RanchCALIFORNIA72013
ElktonOREGON62024
MccloudCALIFORNIA52021
South Fork MtnCALIFORNIA52022
SalemOREGON52023
HullvilleCALIFORNIA42019
UmpquaOREGON42024
Days CreekOREGON42021
GarfieldOREGON42022
Harlan 2OREGON42016
Fish RockCALIFORNIA32012
Martins FyCALIFORNIA31981
KorbelCALIFORNIA32004
GazelleCALIFORNIA32021
Trask SummitOREGON31992
WaldportOREGON31999
GreenOREGON32024
RuchOREGON32023
Riley PeakOREGON32014
HolmesCALIFORNIA22023

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