BirdAnalyst
Species · Wyoming · BBS 2025 Release · 1966–2024

Bobolink Population Trend in Wyoming

All statesGrassland birds

Bobolink in Wyoming has surged: up 170% on the route-weighted index since 1977.

+170%Since 1977
22Routes In State
45Years

Notable Bobolink Trends in Wyoming

long arc increasecomputed index

Bobolink has surged in Wyoming: up 170% on the route-weighted index since 1977.

Bobolink Population Forecast in Wyoming

If the recent trend holds, Bobolink in Wyoming is projected to fall about 38% by 2029 — from 0.51 in 2024 to a central estimate of 0.32 (95% range 0.00–0.93). A 5-year backtest shows a typical error of ±56.4%, with 100% of held-out values landing inside the 95% band.

-38%Change by 2029
0.32Projected 2029 index
0.00–0.9395% range
±56.4%Backtest error
19742029
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
20250.320.000.93
20260.320.000.93
20270.320.000.93
20280.320.000.93
20290.320.000.93

Bobolink Survey Routes in Wyoming

Routes recording Bobolink in Wyoming.
Dayton3020241980
Gvnt Valley920242001
Midvale319751975
Tensleep320232022
Sundance220231977
Seely 2220242002
Hampshire220242015
Moskee 2220172012
Cody119931991
Wyarno119751975
Clarkelen119741974
Nowood120052005
Lovell120162016
Meeteetse120031998
Thunder Basin120242024
Seely119951995
Moskee119921988
Mayoworth120182018
Sussex120242024
Pathfinder119911991
Moskee 3120232023
Walcott119911991

Bobolink Population Trend in Other States

californiacoloradoconnecticutidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotautahvermontvirginiawashingtonwest-virginiawisconsin

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