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Species · Utah · BBS 2026 Release · 1966–2025

Juniper Titmouse Population Trend in Utah

All statesForest birds

Juniper Titmouse in Utah has held roughly steady: up 7% on the route-weighted index since 1986.

+7%Since 1986TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
56Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
41YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Juniper Titmouse Trends in UtahNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Juniper Titmouse in Utah. See the full index history below.

Juniper Titmouse Population Forecast in Utah

If the recent trend holds, Juniper Titmouse in Utah is projected to fall about 20% by 2030 — from 0.62 in 2025 to a central estimate of 0.49 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±15.9%, with 100% of held-out values landing inside the 95% band.

-20%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.49Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1.195% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±15.9%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Juniper Titmouse in Utah is projected to fall about 20% by 2030 — from 0.62 in 2025 to a central estimate of 0.49 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±15.9%, with 100% of held-out values landing inside the 95% band.19692030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.530.001.2
20270.520.001.2
20280.510.001.2
20290.500.001.1
20300.490.001.1

Juniper Titmouse Survey Routes in Utah

Routes recording Juniper Titmouse in Utah.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Navajo Lake1219691969
Shivwitz720251994
Glen Canyon720251993
Bryce Canyon619931993
La Sal 2520062003
Bullfrog Bay520082008
Moquith Mtn520251987
Canyonlands420061991
Fayette420251992
Canyonlands420241992
Wellington 3320212015
Willow Creek320241992
Indian Peak320132010
Richfield320191994
Lake Powell320011998
Vernal320182011
Canyon Rims320252025
Notom320171987
Altonah220042004
Arches Np220111989
Desert View220181993
Hite220251987
Lynn220101982
Leamington220161995
Dixie Nf220101993

Juniper Titmouse Population Trend in Other States

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Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.