Species · Montana · BBS 2025 Release · 1966–2024
American Crow Population Trend in Montana
American Crow in Montana has declined: down 36% on the route-weighted index since 1970.
-36%Since 1970
92Routes In State
56Years
Notable American Crow Trends in Montana
No notable trend signals for American Crow in Montana. See the full index history below.
American Crow Population Forecast in Montana
If the recent trend holds, American Crow in Montana is projected to stay roughly flat through 2029, near 3.5 (95% range 1.5–5.6). A 5-year backtest shows a typical error of ±35.9%, with 100% of held-out values landing inside the 95% band.
-9%Change by 2029
3.5Projected 2029 index
1.5–5.695% range
±35.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.6 | 1.6 | 5.7 |
| 2026 | 3.6 | 1.6 | 5.7 |
| 2027 | 3.6 | 1.5 | 5.7 |
| 2028 | 3.6 | 1.5 | 5.6 |
| 2029 | 3.5 | 1.5 | 5.6 |
American Crow Survey Routes in Montana
| Church Hill | 53 | 2024 | 2017 |
| Red Rock | 26 | 2024 | 1973 |
| Hebgen Lake | 22 | 2024 | 2017 |
| St Mary | 20 | 2008 | 1968 |
| Hehn Draw | 17 | 2024 | 2016 |
| Clinton | 15 | 2024 | 1975 |
| St. Mary 2 | 14 | 2024 | 2009 |
| Twin Bridges | 13 | 1976 | 1968 |
| Cabin Creek | 13 | 2024 | 2018 |
| Greenoagh 3 | 12 | 2018 | 2013 |
| Miles City | 11 | 2024 | 2016 |
| Redstone | 10 | 2024 | 1968 |
| East Glacier Park | 10 | 2024 | 2015 |
| Custer | 10 | 2022 | 2019 |
| Leroy | 9 | 2024 | 1986 |
| Greenough | 9 | 2003 | 1996 |
| Kalispell | 8 | 2024 | 1968 |
| Elliston | 8 | 2024 | 1968 |
| Ninemile | 8 | 2024 | 1993 |
| Clyde Park | 8 | 2024 | 2021 |
| Heart Butte | 7 | 2024 | 2015 |
| Gildford | 7 | 2024 | 2015 |
| Lindsay | 7 | 2024 | 2015 |
| Two Dot | 6 | 2018 | 1976 |
| Chestnut | 6 | 2024 | 1968 |
American Crow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.