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Species · Arizona · BBS 2025 Release · 1966–2024

Black-chinned Hummingbird Population Trend in Arizona

All statesGeneralists

Black-chinned Hummingbird in Arizona has fallen sharply: down 69% on the route-weighted index since 1970.

-69%Since 1970
55Routes In State
55Years

Notable Black-chinned Hummingbird Trends in Arizona

long arc declinecomputed index

Black-chinned Hummingbird has fallen sharply in Arizona: down 69% on the route-weighted index since 1970.

Black-chinned Hummingbird Population Forecast in Arizona

If the recent trend holds, Black-chinned Hummingbird in Arizona is projected to rise about 38% by 2029 — from 0.31 in 2024 to a central estimate of 0.43 (95% range 0.00–0.90). A 5-year backtest shows a typical error of ±109.9%, with 100% of held-out values landing inside the 95% band.

+38%Change by 2029
0.43Projected 2029 index
0.00–0.9095% range
±109.9%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
20250.450.000.92
20260.440.000.92
20270.440.000.91
20280.430.000.91
20290.430.000.90

Black-chinned Hummingbird Survey Routes in Arizona

Routes recording Black-chinned Hummingbird in Arizona.
Mormon Lake419741968
Cutter 2420182015
Toroweap420191994
Skull Valley420151996
The Gap319691968
Rucker320091993
Pomerene320241968
Patagonia320241968
Cutter320141993
Cabeza Priet320232023
House Rock219681968
Portal220221975
Dragoon220091993
Rose Wells219691968
Oatman220031992
Prescott220191975
Hunt220061976
Palo Verde 2220172014
Forest Lakes220241995
Cibola Lake220191993
Palo Verde220111992
Redington220211993
Willow Beach 2220212016
Mcneal220212003
Clay Spring220142009

Black-chinned Hummingbird Population Trend in Other States

californiacoloradoidahomontananevadanew-mexicooklahomaoregontexasutahwashingtonwyoming

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