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

Violet-green Swallow In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestAerial insectivores

Violet-green Swallow in Northern Pacific Rainforest has declined: down 28% on the route-weighted index since 1970.

-28%Since 1970
136Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Violet-green Swallow in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 8.5 (95% range 5.3–12). A 5-year backtest shows a typical error of ±11.2%, with 100% of held-out values landing inside the 95% band.

-1%Change by 2029
8.5Projected 2029 index
5.3–1295% range
±11.2%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
20258.95.712
20268.85.612
20278.75.512
20288.65.412
20298.55.312

Routes In Northern Pacific Rainforest

Routes recording Violet-green Swallow in Northern Pacific Rainforest.
Sandy RiverOREGON922006
Port AngelesWASHINGTON792024
South ElmaWASHINGTON512024
GlasgowOREGON482024
Pe EllWASHINGTON472023
WinberryOREGON412023
GarfieldOREGON352023
RaymondWASHINGTON312021
HauserOREGON291985
SewardALASKA281992
EverettWASHINGTON272024
CoquilleOREGON262024
TaholahWASHINGTON252022
ScioOREGON222024
ElktonOREGON222024
Hazel CampOREGON202022
Secret ValOREGON202022
SantiamOREGON202024
MukilteoWASHINGTON202024
DerbyOREGON191993
Fish RockCALIFORNIA182014
SaladoOREGON182024
SvensenOREGON181992
CamasWASHINGTON182018
CarnationWASHINGTON182024

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