BirdAnalyst
Species · Oregon · BBS 2025 Release · 1966–2024

White-throated Swift Population Trend in Oregon

All statesAerial insectivores

White-throated Swift in Oregon has collapsed: down 91% on the route-weighted index since 1986.

-91%Since 1986
7Routes In State
34Years

Notable White-throated Swift Trends in Oregon

long arc declinecomputed index

White-throated Swift has collapsed in Oregon: down 91% on the route-weighted index since 1986.

White-throated Swift Population Forecast in Oregon

If the recent trend holds, White-throated Swift in Oregon is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–0.96). A 5-year backtest shows a typical error of ±117.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2027
0.00Projected 2027 index
0.00–0.9695% range
±117.4%Backtest error
19842027
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
20230.020.000.98
20240.000.000.96
20250.000.000.96
20260.000.000.96
20270.000.000.96

White-throated Swift Survey Routes in Oregon

Routes recording White-throated Swift in Oregon.
Adrian2720211984
Catlow Rim220192019
Madras220012001
Alvord Lake220092009
Three Forks120112011
Warner Vally119951995
Bridgeport120221986

White-throated Swift Population Trend in Other States

arizonacaliforniacoloradoidahomontananebraskanevadanew-mexicosouth-dakotatexasutahwashingtonwyoming

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