The Smew Duck is renowned for its black and white plumage. This 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 attractive ducks in the entire world. The male smew duck has a white body with dramatic black markings on its head, back, and breast. The eyes are black, and the wings are dark with significant white spots. The females have a chestnut-colored head, a white neck, and dark brown eyes. While the rest of the body is dark grey, the breast is light gray. Gray feet are present in both sexes.

The major source of food for smew ducks is fish, which they dive for in freshwater bodies of water like lakes and rivers. In addition, they eat snails, crabs, and seeds from plants. It nests in tree holes, such as old woodpecker nests. It is a shy bird and flushes easily when disturbed.

The Knob-Billed Duck, also known as Comb Duck, is a unique species because of its large black knob on the bill of the male birds. The species are found in tropical wetlands in Sub-Saharan Africa, Madagascar, and South Asia. One of the biggest types of waterfowl is them. The ducks' brown flanks contrast with their white heads that are speckled. It has a white neck and underparts. The top portions have a glossy blue-black color with bluish and greenish iridescence.

While females have a simple bill, males have a big, black knob on it. Males are greater than females in size. The peculiar ducks can be found in freshwater marshes, swamps, rivers, lakes, and rice fields. Water lilies, seeds, sprouts, grasses, small fish, frogs, and small invertebrates are some of the things they eat. The ducks breed in freshwater lakes and wetlands during the rainy season.

The Hooded Merganser is known for its extraordinary black and white crest. They are the second smallest species of merganser and are the only native habitat that can be found in North America. The adult male hooded merganser has a white fan-shaped crest on its head, a white chest with two black stripes, and yellow eyes. The body and crest of the female hooded merganser are greyish-brown, and she has brown eyes.

Typically found around small ponds, rivers, and lakes, the little diving ducks dive for prey like fish, crayfish, crabs, aquatic insects, and other invertebrates. They can be found in wooded ponds, marshes, and small estuaries in the winter. In the summer, they live in creeks, narrow rivers, and pond borders. In freshwater where it is simple for them to dive down and look for food, hooded mergansers love to congregate.

The King Eiders are the largest sea ducks that live in the Northern Hemisphere. The yellow knob on the duck's head, which resembles a crown virtually, gave rise to its name. The Arctic coasts of Alaska, Canada, Greenland, Svalbard, and Russia are home to the duck species. The male eiders have a red bill, a bluish-gray neck, a creamy white chest, and a black body. The warm brown overall appearance of female eiders is complemented by a black bill.

The male eiders have a lot more vibrant plumage than the female eiders do during the breeding season. The king eider travels to the Arctic tundra in the summer to nest and usually graze in freshwater ponds and lakes. Fish, squid, mollusks, crabs, sea urchins, and starfish are some of their main food sources. King eider spends most of its time on the ocean when it is not breeding.

The Long-Tailed Duck is a medium-sized sea duck that possesses a small bill and two long and slender tail feathers. In the past, the duck was referred to as the Oldsquaw in the US. Throughout the winter and summer, the male duck's plumage takes on a variety of colors. The male's head's white characteristics turn black over the summer. The diving duck prefers to spend the winter months in the ocean or on saltwater, and the summer months in pools, ponds, and streams on the Arctic tundra.

The long-tailed ducks are deep divers and can descend as much as 200 feet into the water to find food. The long-tailed duck has the longest underwater survival time of any diving duck. Invertebrate animals found in water are their main food source. The ducks also eat vegetation, insects, tiny fish, and crabs.

The Surf Scoter is an unusual duck that can be found in the coastal waters of the Pacific and Atlantic during winter. North America is the sea duck's native habitat. The male sea duck's distinctive head pattern has earned it the moniker "skunk-headed coot". The velvety black plumage, white patches on the forehead and back of the neck, and vibrant bills of the male surf scoters serve as indicators of their gender. The females' bills are greenish-black, and their bodies are a lighter shade of black with white patches on the cheeks.

When feeding, mollusks make up the majority of their diet. They also eat small fish, echinoderms, crustaceans, aquatic insects, and aquatic insects. The surf scoter frequents coastal areas like harbors and bays. The sea ducks spend the summer on little freshwater bodies in tundra habitats.

The Mandarin Duck is regarded as one of the most beautiful ducks in the world. This duck species is native and was introduced from East Asia. Mandarin ducks are now found throughout the world, notably in California, England, Korea, Russia, and Korea. The exotic ducks typically roost in trees and are spotted on lakes. While the female Mandarins are a dull brown tint, the male Mandarins come in a variety of stunning colors. It is simple to distinguish between mandarin ducks that are male and female.

Mandarins are viewed as a sign of love and marriage in Asian culture, and couples of ducks are traditionally given to brides at weddings. The Mandarin ducks are thought to be devoted to their partners for life. The remaining duck will be devastated and lose all desire to live when one of them dies.

The Ruddy Duck stands out for its brilliant bright blue bill and is of the stiff-tailed ducks from North America. They are frequently observed with their stiff-tailed features cocked upward. Their vivid blue bill and chestnut bodies both become a drab gray color in the winter. Ruddy ducks look alike in the summer, both male and female. Their primary sources of food are aquatic crustaceans and plants.

Spring and summer are the best times of year for ruddy ducks to reproduce. In order to attract any female during the breeding season, the males engage in courtship by swimming around the female while flaunting their chestnut coloring and vivid blue bills. The ladies stretch their necks and open their bills when they are pleased with the court performance. Freshwater lakes and ponds serve as breeding grounds.

The Spectacled Eider is a beautiful sea duck found on the coasts of Alaska and northeastern Siberia. The average length of this medium-sized sea duck is 49.8 centimeters for females and 52.8 centimeters for males. The female spectacled eider can be recognized by its rich brown hue with lighter brown spots of features around its eyes, as opposed to the male's white back, yellow-green head, and black body with white patches around its eyes. The males are completely mottled brown in the late summer and fall.

This species mostly consumes aquatic insects, seeds, berries, and freshwater grasses, as well as crustaceans and mollusks from shallow waters. The species' breeding population decreased by almost 96% between 1970 and 1993. The cause of the decline was climate change and the threat of oil and gas development in the Arctic Ocean.

The Beautiful White-Headed duck is one of the rarest water birds in the world. Ducks measure about 19 inches or 45 centimeters long on average. The males differ from the females by being smaller, having a magnificent white head, having strong blue bills, and having a stiff tail. The females have a head, body, and bill that are all darker shades of brown.

The white-headed ducks prefer deep marshes with open water as well as shallow areas. The species is regarded as being endangered because of the loss, degradation, and threat of hunting that have historically led to a wide range of population declines in the species' natural habitat. The chance of the ducks going extinct is extremely high. Effective wetlands conservation and hunting regulation are required to maintain the White-headed Duck population.