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

Brown Creeper Population Trend in Arizona

All statesForest birds

Brown Creeper in Arizona has surged: up 130% on the route-weighted index since 1976.

+130%Since 1976
20Routes In State
50Years

Notable Brown Creeper Trends in Arizona

long arc increasecomputed index

Brown Creeper has surged in Arizona: up 130% on the route-weighted index since 1976.

Brown Creeper Population Forecast in Arizona

If the recent trend holds, Brown Creeper in Arizona is projected to rise about 253% by 2029 — from 0.09 in 2024 to a central estimate of 0.30 (95% range 0.00–0.65). A 5-year backtest shows a typical error of ±88.5%, with 100% of held-out values landing inside the 95% band.

+253%Change by 2029
0.30Projected 2029 index
0.00–0.6595% range
±88.5%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
20250.300.000.65
20260.300.000.65
20270.300.000.65
20280.300.000.65
20290.300.000.65

Brown Creeper Survey Routes in Arizona

Routes recording Brown Creeper in Arizona.
Mt. Graham720231995
Tsaile520231993
Mormon Lake419681968
Alpine420222009
Sunizona319911991
Sawmill220051988
Williams220132013
Maine220031995
Forest Lakes220242005
Pinetop220181993
Happy Jack220172002
Carr Mtn220182018
Portal120241979
Rucker120071995
Flagstaff120221988
Prescott120221975
Blue119871975
Dry Park120231992
Tonto Vill.120192001
Sprucedale120211992

Brown Creeper Population Trend in Other States

alaskacaliforniacoloradoconnecticutidahoillinoisindianaiowamainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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