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

Cinnamon Teal Population Trend in New Mexico

All statesWaterfowl

Cinnamon Teal in New Mexico has fallen sharply: down 59% on the route-weighted index since 1975.

-59%Since 1975
12Routes In State
35Years

Notable Cinnamon Teal Trends in New Mexico

long arc declinecomputed index

Cinnamon Teal has fallen sharply in New Mexico: down 59% on the route-weighted index since 1975.

Cinnamon Teal Population Forecast in New Mexico

If the recent trend holds, Cinnamon Teal in New Mexico is projected to fall about 32% by 2028 — from 0.11 in 2023 to a central estimate of 0.08 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±49.7%, with 80% of held-out values landing inside the 95% band.

-32%Change by 2028
0.08Projected 2028 index
0.00–0.2395% range
±49.7%Backtest error
19732028
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
20240.080.000.23
20250.080.000.23
20260.080.000.23
20270.080.000.23
20280.080.000.23

Cinnamon Teal Survey Routes in New Mexico

Routes recording Cinnamon Teal in New Mexico.
Pinon820032003
Wagon Mound519731973
Columbus520191997
Grenville419791978
Dulce420232003
Capulin219931993
Fence Lake220162016
San Antonio219751974
Maxwell220111996
Laborcita119971993
Angel Fire120011992
Angel Fire 2120232005

Cinnamon Teal Population Trend in Other States

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