The cinnamon teal is a colorful duck that is found in the western portions of North and South America. It is the only duck that has separate breeding populations on each of the continents. In North America they breed in the western United States and Mexico. Their breeding does not extend as far east as most other species of western ducks, ending before the center of the US. In South America they breed primarily in Argentina, Bolivia, Chile, and Peru. Most of the birds that breed in the US migrate to Mexico or the California coast for the winter. Most the birds that breed in Mexico and South America are year round residents of theri breeding ground.