Mallard

The head [feathers] are dark green. The head is black. Its head feathers are resplendent, shimmering. ... It is named çolcanauhtli because its feathers are all like quail feathers. It is rather large, the same size as a Peru [duck]. White [feathers] are set only on the point of each wing-bend. Its bill is small and wide; its legs black, wide, small. It is an eater of atatapalcatl [water plant] and achichilacachtli [gibbous duckweed]. It also comes, it also migrates with the others. Also it does not rear its young here. Many come here. Good-tasting is their flesh.

quack

That’s a duck alright. Classic. Sleek. Waterproof. Love it.