Swans are birds within the genus Cygnus. Swans are the largest members of the waterfowl family Anatidae. They can reach over 1.5 meters long and can weigh more than 15 kilograms. Their wingspan can be almost 3 meters. They are larger than other geese. Most swans have a white plumage with an orange beak. But, the Australian Black Swan is completely black except the feathers on its wings.
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