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

Song Sparrow In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Song Sparrow in Northern Pacific Rainforest has edged down: down 21% on the route-weighted index since 1970.

-21%Since 1970
149Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Song Sparrow in Northern Pacific Rainforest is projected to fall about 21% by 2029 — from 17 in 2024 to a central estimate of 14 (95% range 10–17). A 5-year backtest shows a typical error of ±18%, with 60% of held-out values landing inside the 95% band.

-21%Change by 2029
14Projected 2029 index
10–1795% range
±18%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
2025141018
2026141018
2027141017
2028141017
2029141017

Routes In Northern Pacific Rainforest

Routes recording Song Sparrow in Northern Pacific Rainforest.
TualatinOREGON642024
South ElmaWASHINGTON562024
Horse CreekCALIFORNIA542019
Mendota 2WASHINGTON542000
Vashon Is.WASHINGTON512024
MukilteoWASHINGTON492024
SalemOREGON482024
Port AngelesWASHINGTON482024
EverettWASHINGTON472024
MendotaWASHINGTON471988
Mendota 3WASHINGTON462024
ScappooseOREGON452023
Warm BeachWASHINGTON442017
GlasgowOREGON432024
WedderburnOREGON422024
ElktonOREGON422024
MontesandWASHINGTON412024
UmpquaOREGON402024
CoquilleOREGON392024
Raymond 2WASHINGTON392024
Crescent CtyCALIFORNIA372024
AdairOREGON372024
Hazel CampOREGON372022
Sandy RiverOREGON372006
GarfieldOREGON352023

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