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

Rufous Hummingbird Population Trend in Washington

All statesGeneralists

Rufous Hummingbird in Washington has fallen sharply: down 65% on the route-weighted index since 1970.

-65%Since 1970
77Routes In State
56Years

Notable Rufous Hummingbird Trends in Washington

long arc declinecomputed index

Rufous Hummingbird has fallen sharply in Washington: down 65% on the route-weighted index since 1970.

Rufous Hummingbird Population Forecast in Washington

If the recent trend holds, Rufous Hummingbird in Washington is projected to fall about 58% by 2029 — from 1.5 in 2024 to a central estimate of 0.61 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±54.9%, with 100% of held-out values landing inside the 95% band.

-58%Change by 2029
0.61Projected 2029 index
0.00–2.195% range
±54.9%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
20250.800.002.3
20260.750.002.2
20270.700.002.2
20280.660.002.1
20290.610.002.1

Rufous Hummingbird Survey Routes in Washington

Routes recording Rufous Hummingbird in Washington.
Newhalem1920241968
Montesand1320241986
Cougar920231968
South Elma920241975
Raymond820211993
Mendota 2820001989
Mendota619881977
Mendota 3620242005
Port Angeles520241970
Kendall520241981
Bay View520161994
Ozette420241971
Taholah420221969
Index419711968
Neilton419751975
Cedar Falls420141992
Pe Ell420231993
E. Mt. Adams420241998
Ronald320241973
Nighthawk320211994
Suiattle Riv320191993
Mazama320221994
Index319971997
Mt. Adams320191994
Lake Chelan320231995

Rufous Hummingbird Population Trend in Other States

alaskacaliforniaidahomontanaoregonwyoming

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