Species · Utah · BBS 2025 Release · 1966–2024

Hermit Thrush Population Trend in Utah

Hermit Thrush in Utah has increased: up 29% on the route-weighted index since 1970.

+29%Since 1970
43Routes In State
54Years

Notable Hermit Thrush Trends in Utah

No notable trend signals for Hermit Thrush in Utah. See the full index history below.

Hermit Thrush Population Forecast in Utah

If the recent trend holds, Hermit Thrush in Utah is projected to stay roughly flat through 2029, near 4.5 (95% range 1.9–7.1). A 5-year backtest shows a typical error of ±50.3%, with 80% of held-out values landing inside the 95% band.

+2%Change by 2029
4.5Projected 2029 index
1.97.195% range
±50.3%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
20254.31.76.9
20264.41.86.9
20274.41.87.0
20284.51.97.0
20294.51.97.1

Hermit Thrush Survey Routes in Utah

Routes recording Hermit Thrush in Utah.
Grizzly Rdge4920241987
Navajo Lake4820241970
Fish Lake Nf2520241992
La Sal2420001993
Heber Mtn.2420241996
Red Spur Mtn.2320231997
La Sal 32320242007
Wasatch Nf2120241988
La Sal 22020062003
Soapstone1920241992
Bryce Canyon1620241990
Beck1519871968
Uintah Nf1419941988
Gooseberry1220241994
Beck 21120181990
Logan Canyon1020191997
Woodruff1020242002
Ferron1020222000
Monticello820241998
Moon Lake720031994
Skyline Driv720161986
Book Ridge620062003
Cleveland620001992
Hyrum519771975
Richfield520191994

Hermit Thrush Population Trend in Other States

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