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

White-crowned Sparrow In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

White-crowned Sparrow in Northern Pacific Rainforest has declined: down 34% on the route-weighted index since 1970.

-34%Since 1970
117Routes In Region
56Years

Notable Signals

No notable trend signals for White-crowned Sparrow in Northern Pacific Rainforest. See the full index history below.

Forecast

If the recent trend holds, White-crowned Sparrow in Northern Pacific Rainforest is projected to fall about 27% by 2029 — from 8.4 in 2024 to a central estimate of 6.1 (95% range 2.6–9.6). A 5-year backtest shows a typical error of ±36.8%, with 60% of held-out values landing inside the 95% band.

-27%Change by 2029
6.1Projected 2029 index
2.6–9.695% range
±36.8%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
20256.52.910.0
20266.42.89.9
20276.32.89.8
20286.22.79.7
20296.12.69.6

Routes In Northern Pacific Rainforest

Routes recording White-crowned Sparrow in Northern Pacific Rainforest.
Sheep MtnALASKA732017
Port AngelesWASHINGTON672024
Hazel CampOREGON612022
Crescent CtyCALIFORNIA542024
RainierWASHINGTON442019
Warm BeachWASHINGTON422017
Vashon Is.WASHINGTON412024
McchordWASHINGTON362015
CoquilleOREGON312024
Rio DellCALIFORNIA272012
EverettWASHINGTON272024
DaytonOREGON262024
HauserOREGON251985
GarfieldOREGON252023
SaladoOREGON242024
Elmendorf (Short)ALASKA231985
CougarWASHINGTON232023
Bay ViewWASHINGTON232017
WedderburnOREGON222024
SvensenOREGON221992
MukilteoWASHINGTON222024
ScioOREGON202024
DeceptionWASHINGTON202018
GlasgowOREGON192024
IssaquahWASHINGTON181987

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