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Species · Utah · BBS 2025 Release · 1966–2024

Plumbeous Vireo Population Trend in Utah

All statesForest birds

Plumbeous Vireo in Utah has surged: up 217% on the route-weighted index since 1972.

+217%Since 1972
73Routes In State
51Years

Notable Plumbeous Vireo Trends in Utah

long arc increasecomputed index

Plumbeous Vireo has surged in Utah: up 217% on the route-weighted index since 1972.

Plumbeous Vireo Population Forecast in Utah

If the recent trend holds, Plumbeous Vireo in Utah is projected to rise about 49% by 2029 — from 0.97 in 2024 to a central estimate of 1.4 (95% range 0.75–2.1). A 5-year backtest shows a typical error of ±68.9%, with 60% of held-out values landing inside the 95% band.

+49%Change by 2029
1.4Projected 2029 index
0.75–2.195% range
±68.9%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
20251.40.682.1
20261.40.702.1
20271.40.722.1
20281.40.732.1
20291.40.752.1

Plumbeous Vireo Survey Routes in Utah

Routes recording Plumbeous Vireo in Utah.
Gooseberry920241994
Main Canyon920241991
Alton 2820242021
Alton720191997
Bryce Canyon720241990
Boulder620191986
Fayette420211992
Uintah Nf419941988
Notom420211998
Dixie Nf320241994
Lake Powell320041995
Beck 2320181990
Vernal320122005
Wellington319971997
Newcastle320221997
Beryl320241987
Book Ridge220232003
Beaver220241980
Aneth220242001
La Sal220001993
Shivwitz220121992
Hatch220241994
Pine Creek220192001
Monticello220241998
Wasatch Nf219961996

Plumbeous Vireo Population Trend in Other States

arizonacaliforniacoloradoidahomontananebraskanevadanew-mexicosouth-dakotatexaswyoming

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