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

Common Grackle Population Trend in Wyoming

All statesGeneralists

Common Grackle in Wyoming has declined: down 45% on the route-weighted index since 1970.

-45%Since 1970
99Routes In State
56Years

Notable Common Grackle Trends in Wyoming

No notable trend signals for Common Grackle in Wyoming. See the full index history below.

Common Grackle Population Forecast in Wyoming

If the recent trend holds, Common Grackle in Wyoming is projected to fall about 19% by 2029 — from 6.4 in 2024 to a central estimate of 5.2 (95% range 0.00–11). A 5-year backtest shows a typical error of ±48.3%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
5.2Projected 2029 index
0.00–1195% range
±48.3%Backtest error
19682029
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
20255.30.0011
20265.30.0011
20275.20.0011
20285.20.0011
20295.20.0011

Common Grackle Survey Routes in Wyoming

Routes recording Common Grackle in Wyoming.
Lingle26020241981
Yoder3520241968
Pine Bluff2620241979
Cody2420241988
Seely 22220242001
Otto2020241970
Midvale2020241974
Basin1920241970
Dwyer1820191992
Chugwater1820241981
Meeteetse1620241991
Newcastle1520241988
Seely1320001990
Ervay1120091974
Worland1120241992
Fletcher Pk1020241984
Brookhurst920191968
Recluse920241981
Pathfinder920221983
Nowood819951988
Bill820181996
Dayton820241980
Arvada820241982
Rawlins 2820162016
Patrick Draw719741973

Common Grackle Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsin

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