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

Barn Swallow In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestAerial insectivores

Barn Swallow in Northern Pacific Rainforest has declined: down 41% on the route-weighted index since 1970.

-41%Since 1970
123Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Barn Swallow in Northern Pacific Rainforest is projected to fall about 32% by 2029 — from 9.1 in 2024 to a central estimate of 6.2 (95% range 1.9–10). A 5-year backtest shows a typical error of ±30.5%, with 80% of held-out values landing inside the 95% band.

-32%Change by 2029
6.2Projected 2029 index
1.9–1095% range
±30.5%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
20256.92.711
20266.72.511
20276.62.311
20286.42.111
20296.21.910

Routes In Northern Pacific Rainforest

Routes recording Barn Swallow in Northern Pacific Rainforest.
Nicolai Mtn.OREGON762024
GlasgowOREGON552024
CoquilleOREGON532024
AdairOREGON512024
WedderburnOREGON452024
RaymondWASHINGTON452021
SvensenOREGON441992
Warm BeachWASHINGTON442017
Pe EllWASHINGTON412023
Crescent CtyCALIFORNIA352024
CarnationWASHINGTON312024
CamasWASHINGTON292009
SalemOREGON282024
South ElmaWASHINGTON282024
MukilteoWASHINGTON282024
CougarWASHINGTON272023
MontesandWASHINGTON272024
CanbyOREGON242024
IssaquahWASHINGTON231987
Raymond 2WASHINGTON232024
WinberryOREGON212023
McminnvilleOREGON212024
Port AngelesWASHINGTON202024
Bay ViewWASHINGTON202017
Warm Beach 2WASHINGTON202024

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