#anserformes

Red-breasted Merganser (Mergus serrator), male, family Anatidae, order Anseriformes, Texas Gulf Coast, USA

Muscovy Duck (Cairina moschata), female and male, family Anatidae, order Anseriformes, found in South TX, Mexico, Central and South America

These ducks have been domesticated, and widely introduced to waterways around the world.

The wild form is pictured here. Domestic forms often have more curdled red skin around the face, more white coloration, and have heavier, rounder bodies.