BirdAnalyst
Species · BCR 35 · BBS 2025 Release · 1966–2024

American Coot In Chihuahuan Desert

All regionsChihuahuan DesertWetland birds

American Coot in Chihuahuan Desert has collapsed: down 83% on the route-weighted index since 1982.

-83%Since 1982
9Routes In Region
24Years

Notable Signals

long arc declinecomputed index

American Coot has collapsed in Chihuahuan Desert: down 83% on the route-weighted index since 1982.

Forecast

If the recent trend holds, American Coot in Chihuahuan Desert is projected to rise about 109% by 2023 — from 0.09 in 2018 to a central estimate of 0.19 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±836.3%, with 100% of held-out values landing inside the 95% band.

+109%Change by 2023
0.19Projected 2023 index
0.00–1.095% range
±836.3%Backtest error
19742023
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
20190.220.001.0
20200.210.001.0
20210.210.001.0
20220.200.001.0
20230.190.001.0

Routes In Chihuahuan Desert

Routes recording American Coot in Chihuahuan Desert.
Quitman Canyon 2TEXAS32018
San AntonioNEW-MEXICO21975
LaborcitaNEW-MEXICO22017
Red RockNEW-MEXICO21995
Casa PiedraTEXAS22006
CloudcroftNEW-MEXICO11993
MesillaNEW-MEXICO11999
PresidioTEXAS12010
CanutilloTEXAS11998

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