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

Dickcissel Population Trend in Montana

All statesGrassland birds

Dickcissel in Montana has surged: up 859% on the route-weighted index since 1994.

+859%Since 1994
17Routes In State
19Years

Notable Dickcissel Trends in Montana

long arc increasecomputed index

Dickcissel has surged in Montana: up 859% on the route-weighted index since 1994.

Dickcissel Population Forecast in Montana

If the recent trend holds, Dickcissel in Montana is projected to rise about 207% by 2029 — from 0.08 in 2024 to a central estimate of 0.25 (95% range 0.00–0.63). A 5-year backtest shows a typical error of ±195.4%, with 100% of held-out values landing inside the 95% band.

+207%Change by 2029
0.25Projected 2029 index
0.00–0.6395% range
±195.4%Backtest error
19892029
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
20250.230.000.61
20260.240.000.62
20270.240.000.62
20280.250.000.63
20290.250.000.63

Dickcissel Survey Routes in Montana

Routes recording Dickcissel in Montana.
Hehn Draw1520182017
Webster720232006
Chuffey Spring720232023
Savage420212021
Albion320232012
Brusett320242012
Dinosaurs H.M.320182018
Brandenberg220001994
Miles City220222022
Custer 2220242024
Shawmut220062006
Lindsay120212021
Forsyth120231989
Lambert120242021
Malta120062006
Glasgow120242012
Roy119991991

Dickcissel Population Trend in Other States

alabamaarkansascoloradodelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamarylandmichiganminnesotamississippimissourinebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasvirginiawest-virginiawisconsinwyoming

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