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Species · Utah · BBS 2025 Release · 1966–2024

Bobolink Population Trend in Utah

All statesGrassland birds

Bobolink in Utah has edged down: down 21% on the route-weighted index since 2001.

-21%Since 2001
7Routes In State
18Years

Notable Bobolink Trends in Utah

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

Bobolink Population Forecast in Utah

If the recent trend holds, Bobolink in Utah is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±75.3%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.03Projected 2029 index
0.00–0.0795% range
±75.3%Backtest error
19882029
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
20250.030.000.07
20260.030.000.07
20270.030.000.07
20280.030.000.07
20290.030.000.07

Bobolink Survey Routes in Utah

Routes recording Bobolink in Utah.
Saleratus Cr319971997
Goose Creek Mtn.220231997
Timpie Spg119881988
Neponset Res120082008
Woodruff120232023
Kamas120242013
Randolph120212001

Bobolink Population Trend in Other States

californiacoloradoconnecticutidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotavermontvirginiawashingtonwest-virginiawisconsinwyoming

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