BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Mexican Duck Population Trend in New Mexico

All statesWaterfowl

Mexican Duck in New Mexico has collapsed: down 83% on the route-weighted index since 1993.

-83%Since 1993
8Routes In State
29Years

Notable Mexican Duck Trends in New Mexico

long arc declinecomputed index

Mexican Duck has collapsed in New Mexico: down 83% on the route-weighted index since 1993.

Mexican Duck Population Forecast in New Mexico

If the recent trend holds, Mexican Duck in New Mexico is projected to fall about 33% by 2029 — from 0.09 in 2024 to a central estimate of 0.06 (95% range 0.00–0.31). A 5-year backtest shows a typical error of ±196.1%, with 100% of held-out values landing inside the 95% band.

-33%Change by 2029
0.06Projected 2029 index
0.00–0.3195% range
±196.1%Backtest error
19742029
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
20250.070.000.33
20260.070.000.33
20270.070.000.32
20280.060.000.32
20290.060.000.31

Mexican Duck Survey Routes in New Mexico

Routes recording Mexican Duck in New Mexico.
Mesilla920001992
Gage420092001
Red Rock220132012
Laborcita 2220242024
Hatchet Peak220162016
Rodeo220171974
Cooley Lake120242024
Columbus120241992

Mexican Duck Population Trend in Other States

arizonatexas

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