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

American Coot In Northern Rockies

All regionsNorthern RockiesWetland birds

American Coot in Northern Rockies has surged: up 211% on the route-weighted index since 1970.

+211%Since 1970
78Routes In Region
56Years

Notable Signals

long arc increasecomputed index

American Coot has surged in Northern Rockies: up 211% on the route-weighted index since 1970.

Forecast

If the recent trend holds, American Coot in Northern Rockies is projected to rise about 164% by 2029 — from 0.47 in 2024 to a central estimate of 1.2 (95% range 0.22–2.3). A 5-year backtest shows a typical error of ±152.3%, with 80% of held-out values landing inside the 95% band.

+164%Change by 2029
1.2Projected 2029 index
0.22–2.395% range
±152.3%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
20251.20.182.2
20261.20.192.2
20271.20.202.2
20281.20.212.2
20291.20.222.3

Routes In Northern Rockies

Routes recording American Coot in Northern Rockies.
Neponset ResUTAH502018
RawlinsWYOMING501999
NaplesIDAHO232024
Hunter PeakWYOMING162010
Rock RiverWYOMING152022
Carter 2WYOMING152024
Great DivideCOLORADO112015
KalispellMONTANA92018
Saleratus CrUTAH92018
Lolo PassIDAHO82001
MonumentOREGON71993
PolsonMONTANA62006
HarmonyWYOMING62014
CabartonIDAHO52023
BaggsWYOMING52003
MadrasOREGON42022
DonnellyOREGON41995
Green RiverWYOMING41984
Savery 2WYOMING42024
RandolphUTAH32024
CurlewWASHINGTON31994
LaurierWASHINGTON32017
MammothWYOMING32024
MooseWYOMING32019
LamontWYOMING32012

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