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Montana Field Guide

Montana Field Guides

Mexican Duck - Anas diazi

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Native Species
Accidental Species

Global Rank: G5
State Rank: SNA

Agency Status


External Links

General Description
Mexican Duck is a species of dabbling duck that superficially resembles the Mallard and is typically found in the southern parts of Arizona, New Mexico and southwest Texas through southern Mexico (Drilling et al. 2020). In Montana this rare species' presence is considered "Accidental".

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density


SUMMER (Feb 16 - Dec 14)
Direct Evidence of Breeding

Indirect Evidence of Breeding

No Evidence of Breeding

WINTER (Dec 15 - Feb 15)
Regularly Observed

Not Regularly Observed


(Observations spanning multiple months or years are excluded from time charts)

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Citation for data on this website:
Mexican Duck — Anas diazi.  Montana Field Guide.  .  Retrieved on , from