1. Differences in living environment: Sea ducks live in the ocean and coastal areas, need to dive into the water for food, and need to tolerate strong winds and waves. Ducks are land birds, usually living in freshwater wetlands such as rivers, lakes and ponds, and need a lot of water and beaches.
2. Differences in appearance characteristics: Sea ducks are more plump, with more developed legs and webbed feet. The feathers of sea ducks are generally hard, shiny and colorful; Duck feathers, on the other hand, are softer and mainly white or brown in color.
3. Differences in behavior and habits: Sea ducks will engage in foraging activities during the day and at night, and their life rhythm is relatively tight. Ducks usually lie in the daytime and come out at night, mainly foraging at night, and mainly rest during the day and like to be leisurely.
The sea duck is the general name of the birds of the order Lupsidae, also known as loons. With a body length of 6-9 cm, the male duck is slightly larger than the female duck. The beak is conical and very hard, and the wings are very small and a little sharp; There are webs between the first three toes, and the legs are located at the back of the body. Feathers are dense, the back is mainly black or gray, and the abdomen is white. Named for its body resembling a duck. Duck is a kind of bird belonging to the genus Anatidae, which belongs to the family Anatidae. Ducks are feathered all over, with a big round head, no crown, drooping flesh and ear leaves; The beak is long and flat, and the edges of the upper and lower palates are serrated and keratinized; Long neck and free movement; The body is wide and long, boat-shaped, with its forebody raised, plump feathers, smaller wings and longer aileron feathers; Legs are short, webbed between toes, toes and webbed parts are exposed, which is beneficial to swimming.