Most male mallards have grayish or brownish feathers , a green colored head, and a purple breast.
On the other hand, the female is only brown and white. The length of the normal mallard is about 50-60 cm. The mallard duck is found mostly in North America and Northern Central America. In the winters the mallard is found in the south but does not nest there. They nest in such places as under boulders, in tree holes, in the crotch of trees or in open areas.