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Species · Utah · BBS 2025 Release · 1966–2024

Williamson's Sapsucker Population Trend in Utah

All statesForest birds

Williamson's Sapsucker in Utah has held roughly steady: down 7% on the route-weighted index since 1988.

-7%Since 1988
18Routes In State
33Years

Notable Williamson's Sapsucker Trends in Utah

No notable trend signals for Williamson's Sapsucker in Utah. See the full index history below.

Williamson's Sapsucker Population Forecast in Utah

If the recent trend holds, Williamson's Sapsucker in Utah is projected to fall about 44% by 2029 — from 0.17 in 2024 to a central estimate of 0.10 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±47.1%, with 100% of held-out values landing inside the 95% band.

-44%Change by 2029
0.10Projected 2029 index
0.00–0.2395% range
±47.1%Backtest error
19732029
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
20250.100.000.23
20260.100.000.23
20270.100.000.23
20280.100.000.23
20290.100.000.23

Williamson's Sapsucker Survey Routes in Utah

Routes recording Williamson's Sapsucker in Utah.
Dixie Nf620241999
Beck319731973
Lost Cr. Res320092009
Red Spur Mtn.320232002
Heber Mtn.320221999
Navajo Lake220241987
Alton120112001
Moon Lake 2120182017
Skyline Driv120021995
Richfield120142014
Ant Flat-Ogden Can120212021
Grizzly Rdge120221997
Wasatch Nf120231988
Logan Canyon120162016
Bryce Canyon120242005
Woodruff120242007
Ferron120162016
M Warner Res119981993

Williamson's Sapsucker Population Trend in Other States

arizonacaliforniacoloradoidahomontananevadanew-mexicooregonwashingtonwyoming

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