It is smaller than a normal goose and larger than a duck. It belongs to the islet family and if it has the opportunity it also eats fish.
Characteristic of the male is that it has a plume while both genera have a red stripe on the sides of the head.έχει λοφίο ενώ και τα δύο γένη στις πλευρές του κεφαλιού έχουν κόκκινο λειρί.