Ducks are known to be one of the species that are attractive and irresistible to look at. They are some of the world’s well known and most beloved animals because they make great pets and are highly social animals. There are many species of ducks found around the world that have exotic beauty which is admired by many. Out of the 120 duck species from all over the world, there are a few of them that are as strikingly beautiful as they are rare and outrank the rest. These rare ducks not only come in a variety of shapes and brilliant colors but have mischievous behaviors as well. While most of the species are aquatic birds, some of them prefer freshwater to saltwater.
The Smew duck is famous for its black and white plumage. The duck is one of the merganser species that can be found in North America, Europe, and Asia. They are regarded as one of the most beautiful ducks in the world. The male smew ducks have a white body with striking black markings on its head, back, and breast. The wings are dark with large white patches and the eyes are black. The females have a chestnut head, white throat, and dark brown eyes. The breast is light grey while the rest of the body is dark grey. Both genders have gray feet.
The Knob-billed Duck, also known as Comb Duck, is a unique species because of its large black knob on the bill from the male birds. The species are found in tropical wetlands in Sub-Saharan Africa, Madagascar, and South Asia. They are one of the largest species of waterfowl. The adult ducks have a white head freckled with dark flanks. The neck and the underparts are white. The upperparts are glossy blue-black with bluish and greenish iridescence. The males have a large black knob on the bill whereas the females have a plain bill. The males are larger in size than the females. The unusual ducks can be found inhabiting the freshwater lakes, rivers, swamps, rice fields, and marches. They feed on water lilies, seeds, shoots, grasses, small fish, frogs, and small invertebrates.