Dry ducks will have cocoons on their soles, while water ducks will be tender; The essential difference is that water ducks can go into the water, while dry ducks can't. Dry ducks are relatively dull and are not afraid of humans; Water ducks are very clever, and they will quickly avoid human beings; Dry ducks are basically black variegated feathers; However, water ducks are generally all black, general anesthesia or all white, and their bodies are small.