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

White-breasted Nuthatch Population Trend in Colorado

All statesForest birds

White-breasted Nuthatch in Colorado has surged: up 210% on the route-weighted index since 1972.

+210%Since 1972
93Routes In State
52Years

Notable White-breasted Nuthatch Trends in Colorado

long arc increasecomputed index

White-breasted Nuthatch has surged in Colorado: up 210% on the route-weighted index since 1972.

White-breasted Nuthatch Population Forecast in Colorado

If the recent trend holds, White-breasted Nuthatch in Colorado is projected to rise about 59% by 2029 — from 0.61 in 2024 to a central estimate of 0.97 (95% range 0.55–1.4). A 5-year backtest shows a typical error of ±65.1%, with 40% of held-out values landing inside the 95% band.

+59%Change by 2029
0.97Projected 2029 index
0.55–1.495% range
±65.1%Backtest error
19702029
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
20250.920.501.3
20260.930.511.3
20270.940.531.4
20280.950.541.4
20290.970.551.4

White-breasted Nuthatch Survey Routes in Colorado

Routes recording White-breasted Nuthatch in Colorado.
Animas 21020182005
Haycamp Mesa920241998
Parlin820171980
Cokedale820241995
Cheesman Lk520211970
Falfa520241972
Guffey520241993
Cortez 2520172009
Dolores419791974
Powderhorn420231995
Gold Hill420121998
Elbert420241998
Gardner420221998
Aspen320241980
Kiowa 2320222019
Cortez320081989
Buffalo Park320232001
Thomasville320181997
Walsenburg320241994
Nucla320242002
Ludlow320161998
Trail Ridge Road320072007
Gold Hill 2320242018
Kiowa220131992
Wray Gulch220181988

White-breasted Nuthatch Population Trend in Other States

alabamaarizonaarkansascaliforniaconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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