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Species · Utah · BBS 2025 Release · 1966–2024

Cassin's Finch Population Trend in Utah

All statesGeneralists

Cassin's Finch in Utah has surged: up 124% on the route-weighted index since 1970.

+124%Since 1970
52Routes In State
49Years

Notable Cassin's Finch Trends in Utah

long arc increasecomputed index

Cassin's Finch has surged in Utah: up 124% on the route-weighted index since 1970.

Cassin's Finch Population Forecast in Utah

If the recent trend holds, Cassin's Finch in Utah is projected to rise about 13% by 2029 — from 1.1 in 2024 to a central estimate of 1.2 (95% range 0.00–2.5). A 5-year backtest shows a typical error of ±49.1%, with 100% of held-out values landing inside the 95% band.

+13%Change by 2029
1.2Projected 2029 index
0.00–2.595% range
±49.1%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
20251.20.002.6
20261.20.002.6
20271.20.002.5
20281.20.002.5
20291.20.002.5

Cassin's Finch Survey Routes in Utah

Routes recording Cassin's Finch in Utah.
Red Spur Mtn.1520231997
Uintah Nf1519941987
Beck1419871969
Grizzly Rdge1420241986
Castleton1219771977
Woodruff920242002
Bryce Canyon820241990
Canyon Rims620182001
Wasatch Nf620241988
Notom619891989
Richfield520191994
Gooseberry520241994
Book Ridge420062003
Lost Cr. Res420161995
La Sal 2420062003
Soapstone420241992
Skyline Driv420161986
La Sal 3420242007
Bonanza420051996
Saleratus Cr319951995
Navajo Lake320241970
Hanna320151997
Hardware Ranch320111994
Moon Lake 2220232005
Hyrum219771977

Cassin's Finch Population Trend in Other States

arizonacaliforniacoloradoidahomontananevadanew-mexicooregonsouth-dakotawashingtonwyoming

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