BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

American Coot In Great Basin

All regionsGreat BasinWetland birds

American Coot in Great Basin has risen sharply: up 55% on the route-weighted index since 1970.

+55%Since 1970
121Routes In Region
56Years

Notable Signals

long arc increasecomputed index

American Coot has risen sharply in Great Basin: up 55% on the route-weighted index since 1970.

Forecast

If the recent trend holds, American Coot in Great Basin is projected to rise about 17% by 2029 — from 4.4 in 2024 to a central estimate of 5.2 (95% range 0.00–15). A 5-year backtest shows a typical error of ±191%, with 100% of held-out values landing inside the 95% band.

+17%Change by 2029
5.2Projected 2029 index
0.00–1595% range
±191%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
20255.10.0015
20265.10.0015
20275.20.0015
20285.20.0015
20295.20.0015

Routes In Great Basin

Routes recording American Coot in Great Basin.
DorrisCALIFORNIA2302019
Warner VallyOREGON2142024
Fish LakeOREGON1212024
Catlow RimOREGON1102024
LikelyCALIFORNIA922024
FallonNEVADA592023
Glenns FerryIDAHO501969
Virgin CreekNEVADA292018
Bear RiverUTAH202023
LeamingtonUTAH182017
Bald Mtn.NEVADA152024
CortezNEVADA142024
BrewsterWASHINGTON142018
Iron SpringsIDAHO132024
Kyle CanyonIDAHO131996
Gold HillUTAH102017
OthelloWASHINGTON91991
BentonCALIFORNIA82024
Blizzard GapOREGON82024
WapatoWASHINGTON81995
Crowder FlatCALIFORNIA72019
Majors PlaceNEVADA72016
TonasketWASHINGTON72018
GardnervilleNEVADA62011
BlyOREGON62001

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