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

Bushtit In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Bushtit in Northern Pacific Rainforest has fallen sharply: down 63% on the route-weighted index since 1970.

-63%Since 1970
100Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Bushtit has fallen sharply in Northern Pacific Rainforest: down 63% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Bushtit in Northern Pacific Rainforest is projected to fall about 58% by 2029 — from 1.4 in 2024 to a central estimate of 0.57 (95% range 0.00–2.3). A 5-year backtest shows a typical error of ±28.5%, with 100% of held-out values landing inside the 95% band.

-58%Change by 2029
0.57Projected 2029 index
0.00–2.395% range
±28.5%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
20250.720.002.4
20260.690.002.4
20270.650.002.3
20280.610.002.3
20290.570.002.3

Routes In Northern Pacific Rainforest

Routes recording Bushtit in Northern Pacific Rainforest.
ElktonOREGON222024
TualatinOREGON162024
RuchOREGON162015
IssaquahWASHINGTON131986
KorbelCALIFORNIA122024
CamasWASHINGTON122005
Nicolai Mtn.OREGON102024
OzetteWASHINGTON101994
Vashon Is.WASHINGTON82024
Cool CampOREGON72001
Emigrant Lake 2OREGON72019
EverettWASHINGTON72024
DeceptionWASHINGTON72017
Horse CreekCALIFORNIA62019
HullvilleCALIFORNIA62019
Rio DellCALIFORNIA62007
HauserOREGON61980
DerbyOREGON61990
DaytonOREGON62024
Mendota 2WASHINGTON61997
MccloudCALIFORNIA52021
Friday RidgeCALIFORNIA52021
Myrtle GroveOREGON52023
CinderellaOREGON52024
KamilcheWASHINGTON51995

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