Species · BCR 10 · BBS 2025 Release · 1966–2024

American Crow In Northern Rockies

American Crow in Northern Rockies has declined: down 42% on the route-weighted index since 1970.

-42%Since 1970
182Routes In Region
56Years

Notable Signals

No notable trend signals for American Crow in Northern Rockies. See the full index history below.

Forecast

If the recent trend holds, American Crow in Northern Rockies is projected to fall about 26% by 2029 — from 3.0 in 2024 to a central estimate of 2.2 (95% range 0.16–4.3). A 5-year backtest shows a typical error of ±15%, with 100% of held-out values landing inside the 95% band.

-26%Change by 2029
2.2Projected 2029 index
0.164.395% range
±15%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
20252.50.384.5
20262.40.324.5
20272.30.274.4
20282.30.224.4
20292.20.164.3

Routes In Northern Rockies

Routes recording American Crow in Northern Rockies.
Church HillMONTANA532024
MadrasOREGON302023
Red RockMONTANA262024
Cape HornIDAHO242021
Hebgen LakeMONTANA222024
St MaryMONTANA202008
Buckskin MtnWYOMING201992
RiversideWYOMING192024
SaveryWYOMING171995
NaplesIDAHO162024
ClintonMONTANA152024
CascadeIDAHO141984
St. Mary 2MONTANA142024
WoodruffUTAH142024
Twin BridgesMONTANA131976
LysiteWYOMING132024
Greenoagh 3MONTANA122018
AlpineWYOMING122024
BoulderWYOMING122024
Salmon RiverIDAHO112021
East Glacier ParkMONTANA102024
BasinWYOMING102009
CoolinIDAHO92024
GreenoughMONTANA92003
KalispellMONTANA82024

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