The English word swan, akin to the German Schwan, Dutch zwaan and Swedish svan, is derived from Indo-European root *swen ('to sound, to sing'). Young swans are known as cygnets or as swanlings; the former derives via 查看更多內容

Swans are generally found in temperate environments, rarely occurring in the tropics. A group of swans is called a bevy or a wedge in … 查看更多內容

Evidence suggests that the genus Cygnus evolved in Europe or western Eurasia during the Miocene, spreading all over the Northern Hemisphere until the Pliocene. When the … 查看更多內容

• Royal Swans 查看更多內容

Swans are the largest extant members of the waterfowl family Anatidae, and are among the largest flying birds. The largest living species, including the mute swan, trumpeter swan, and whooper swan, can reach a length of over 1.5 m (59 in) and weigh over 15 … 查看更多內容

Swans feed in water and on land. They are almost entirely herbivorous, although they may eat small amounts of aquatic animals. In the water, food is obtained by up-ending or dabbling, and … 查看更多內容

European motifs
Many of the cultural aspects refer to the mute swan of Europe. Perhaps the best known story about a swan is the fable "The Ugly Duckling". Swans are often a symbol of love or fidelity because of their long-lasting, … 查看更多內容