Elegant & pristine swans dress their long necks in white for any occasion A relative of geese & ducks swans are the largest members of their family Found in temperate climates swans are herbivores & some migrate All swans mate for life however pairs divorce especially due to hatching problems Unlike other species males help build the nest & incubate the eggs Swan eggs weigh well over half a pound & often are among four to six others Fun Facts Weighing about thirty pounds swans are one of the largest flying birds