They have white feathers, white skin, and yellow shanks.
Males will weigh up to 3.5 pounds (1.6 kg); females up to 3.2 pounds (1.45 kg.)
In Polish, called “Minikaczka” or “Kaczka Pomniejszona.”
Scherf, Beate D., Editor. World Watch List for Domestic Animal Diversity. Rome: Food and Agriculture Organization of the United Nations. Second Edition. 1995. Page 329.