Ducks are birds. They live on the water. They lay eggs. Ducks have beaks. Ducks look like ducks.
Ducks eat grasses, aquatic plants, fish, insects, and small amphibians. Some ducks forage deep underwater to find food.
Ducks have many predators. Ducklings are especially vulnerable, because they cannot fly. Ducks are preyed on by predatory birds, large fish, foxes, and of course humans.
Ducks, when they are domesticated by humans, are used for their meat, eggs, and feathers. They are farmed especially for their down.
They communicate using wide ranges of calls. Most species of duck do not make the quack sound.
According to google, when you search up ducks endangered, it talks about Anatidae, and says they are not extinct.