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

Warbling Vireo In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestForest birds

Warbling Vireo in Northern Pacific Rainforest has edged up: up 13% on the route-weighted index since 1970.

+13%Since 1970
137Routes In Region
56Years

Notable Signals

No notable trend signals for Warbling Vireo in Northern Pacific Rainforest. See the full index history below.

Forecast

If the recent trend holds, Warbling Vireo in Northern Pacific Rainforest is projected to fall about 13% by 2029 — from 9.8 in 2024 to a central estimate of 8.5 (95% range 5.9–11). A 5-year backtest shows a typical error of ±22.7%, with 60% of held-out values landing inside the 95% band.

-13%Change by 2029
8.5Projected 2029 index
5.9–1195% range
±22.7%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
20258.45.711
20268.45.811
20278.55.811
20288.55.811
20298.55.911

Routes In Northern Pacific Rainforest

Routes recording Warbling Vireo in Northern Pacific Rainforest.
CougarWASHINGTON882023
MontesandWASHINGTON572024
LoraneOREGON522024
FisherOREGON462010
Harlan 2OREGON442024
KamilcheWASHINGTON362024
HoneydewCALIFORNIA342017
Klickitat MtOREGON331996
SaladoOREGON322024
Pe EllWASHINGTON292023
TimberOREGON282017
Nicolai Mtn.OREGON272024
Cedar FallsWASHINGTON272014
RuchOREGON262023
MolallaOREGON262024
WaldportOREGON242001
Mendota 3WASHINGTON242024
HarlanOREGON232009
CoquilleOREGON222024
ElktonOREGON212024
Raymond 2WASHINGTON212024
HolmesCALIFORNIA202024
Riley PeakOREGON202016
GreenwaterWASHINGTON202024
SvensenOREGON191992

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