Species · Arizona · BBS 2025 Release · 1966–2024

Anna's Hummingbird Population Trend in Arizona

Anna's Hummingbird in Arizona has surged: up 148% on the route-weighted index since 1982.

+148%Since 1982
32Routes In State
42Years

Notable Anna's Hummingbird Trends in Arizona

long arc increasecomputed index

Anna's Hummingbird has surged in Arizona: up 148% on the route-weighted index since 1982.

Anna's Hummingbird Population Forecast in Arizona

If the recent trend holds, Anna's Hummingbird in Arizona is projected to rise about 105% by 2029 — from 0.17 in 2024 to a central estimate of 0.35 (95% range 0.14–0.56). A 5-year backtest shows a typical error of ±78.2%, with 60% of held-out values landing inside the 95% band.

+105%Change by 2029
0.35Projected 2029 index
0.140.5695% range
±78.2%Backtest error
19742029
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
20250.330.120.54
20260.330.120.54
20270.340.130.55
20280.340.140.55
20290.350.140.56

Anna's Hummingbird Survey Routes in Arizona

Routes recording Anna's Hummingbird in Arizona.
Cutter 2520182018
Red Rock 2420192015
Wikieup220172015
Prescott220221980
New River220091990
Patagonia220221992
Organ Pipe120212021
Oatman120222011
Quartzsite120151996
Laguna120081974
Dateland120211994
Pomerene120222008
Peña Blanca120242001
Riviera120242010
Skull Valley120211997
Tonto Vill.120192017
Bartlett Res120241997
Araby120232000
Red Rock120142010
Redington120051995
Willow Beach 2120242016
Sahuarita120212021
Wickenburg120182017
Hope 2120172015
Sunizona 2120142014

Anna's Hummingbird Population Trend in Other States

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