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

Anna's Hummingbird Population Trend in Oregon

All statesGeneralists

Anna's Hummingbird in Oregon has surged: up 156% on the route-weighted index since 1991.

+156%Since 1991
33Routes In State
26Years

Notable Anna's Hummingbird Trends in Oregon

long arc increasecomputed index

Anna's Hummingbird has surged in Oregon: up 156% on the route-weighted index since 1991.

Anna's Hummingbird Population Forecast in Oregon

If the recent trend holds, Anna's Hummingbird in Oregon is projected to rise about 13% by 2029 — from 0.21 in 2024 to a central estimate of 0.24 (95% range 0.08–0.40). A 5-year backtest shows a typical error of ±45.6%, with 60% of held-out values landing inside the 95% band.

+13%Change by 2029
0.24Projected 2029 index
0.08–0.4095% range
±45.6%Backtest error
19792029
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
20250.220.060.38
20260.230.070.39
20270.230.070.39
20280.240.080.40
20290.240.080.40

Anna's Hummingbird Survey Routes in Oregon

Routes recording Anna's Hummingbird in Oregon.
Wedderburn820242017
Winberry520231996
Derby419901990
Glasgow420232005
Adair320242013
Hazel Camp320221991
Mcminnville320192018
Tualatin220242006
Scappoose220222022
Dayton220241996
Secret Val220042004
Emigrant Lk220001990
Coquille220242010
Green220232023
Santiam120232017
Nicolai Mtn.120232023
Umpqua120211996
Days Creek120171979
Modoc Point120102010
Harlan 2120222022
Emigrant Lake 2120242011
Scio120242021
Garfield120222022
Mt Hood120222013
Elkton120222022

Anna's Hummingbird Population Trend in Other States

alaskaarizonacalifornianevadawashington

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