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Species · Utah · BBS 2025 Release · 1966–2024

Rock Wren Population Trend in Utah

All statesForest birds

Rock Wren in Utah has surged: up 232% on the route-weighted index since 1970.

+232%Since 1970
106Routes In State
51Years

Notable Rock Wren Trends in Utah

long arc increasecomputed index

Rock Wren has surged in Utah: up 232% on the route-weighted index since 1970.

Rock Wren Population Forecast in Utah

If the recent trend holds, Rock Wren in Utah is projected to rise about 35% by 2029 — from 4.0 in 2024 to a central estimate of 5.4 (95% range 2.8–8.1). A 5-year backtest shows a typical error of ±39.7%, with 80% of held-out values landing inside the 95% band.

+35%Change by 2029
5.4Projected 2029 index
2.8–8.195% range
±39.7%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
20255.22.57.8
20265.22.67.9
20275.32.78.0
20285.42.78.0
20295.42.88.1

Rock Wren Survey Routes in Utah

Routes recording Rock Wren in Utah.
Bonanza8020151992
Desert View3320241987
Shivwitz2120241993
Hite1820231986
Crawford Mts1820232002
Cleveland1620241992
Notom1520241987
Lake Powell1520071993
Peplin Mountain1420241999
Canyon Rims1420241998
Castleton1219851969
Glen Canyon1220241993
Willow Creek1120241986
Leamington1020171992
Hanna1020241997
Promontory920241969
Randolph920241992
Castle Dale920241993
Moon Lake 2920232004
Jensen820241992
Fayette820211992
Hill Creek719951994
Goose Creek Mtn.720232002
Vernal720182003
Pine Creek720231997

Rock Wren Population Trend in Other States

arizonacaliforniacoloradoidahokansasmontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatexaswashingtonwyoming

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