Ducks are mainly aquatic birds that can live in salt and freshwater. There are over 120 different species of ducks. Ducks live everywhere in the world except for Antarctica.
Ducks make different types of sounds ranging from a low grunting quack; high pitched whistling sound. Most of the male ducks are quiet; all ducks have waterproof feathers. The feeding method of ducks includes prey items like grasses, aquatic plash, fish, amphibians, insect, and Mollusca’s.
Mallard is the most popular ducks in the North American, Eurasian wetlands, parks, and ponds. The male and female species look different from each other, meaning that they are sexually dimorphic species.
The male species are easily identified because they have a green head, and the females are brown. The mallards make the popular quack sound that most people regard as the sound of ducks.