Birds

Mexican/Mottled Duck Complex

Mexican/Mottled Duck Complex

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Not yet spotted on Fladder
Spotted
This designation applies to ducks that share characteristics of both Mexican and Mottled Ducks, often reflecting their close evolutionary relationship and geographic proximity. Precise identification of pure forms or specific hybrids can be challenging.
Where to spot
Look for these ducks in southern Arizona, New Mexico, Texas, and throughout much of Mexico. They inhabit freshwater wetlands, rivers, ponds, and agricultural areas.
How to spot
Identify by looking for a medium-sized, plain brown dabbling duck with a dark crown and often a subtle dark eye line. Distinguishing between pure forms and their hybrids requires close attention to subtle differences in bill coloration, facial patterns, and speculum markings, often requiring excellent views and good optics.
When to spot
Year-round in their resident ranges. They are consistent inhabitants of appropriate habitats.
Some ornithological authorities consider the Mexican Duck a subspecies of the Mottled Duck, underscoring their extremely close genetic and morphological similarities and the inherent difficulty in distinguishing them in the field.
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