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

Dusky Flycatcher Population Trend in Arizona

All statesAerial insectivores

Dusky Flycatcher in Arizona has surged: up 138% on the route-weighted index since 1990.

+138%Since 1990
11Routes In State
22Years

Notable Dusky Flycatcher Trends in Arizona

long arc increasecomputed index

Dusky Flycatcher has surged in Arizona: up 138% on the route-weighted index since 1990.

Dusky Flycatcher Population Forecast in Arizona

If the recent trend holds, Dusky Flycatcher in Arizona is projected to stay roughly flat through 2029, near 0.17 (95% range 0.00–0.36). A 5-year backtest shows a typical error of ±202.6%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.17Projected 2029 index
0.00–0.3695% range
±202.6%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
20250.160.000.35
20260.160.000.35
20270.160.000.35
20280.170.000.36
20290.170.000.36

Dusky Flycatcher Survey Routes in Arizona

Routes recording Dusky Flycatcher in Arizona.
Tsaile820232017
Williams320062001
Maine320161997
Pinetop220182018
Sawmill220141988
Clay Spring220092009
House Rock119951995
Rose Wells119681968
Alpine120212021
Sprucedale120172017
Dry Park120241997

Dusky Flycatcher Population Trend in Other States

californiacoloradoidahomontananebraskanevadanew-mexicooregonsouth-dakotautahwashingtonwyoming

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