Biology
Swans, both genera Cygnus and Olor, belong to the family Anatidae, which includes geese and ducks. They mate for life, although couples sometimes separate following a nesting failure. Young swans are known as “cygnets” from the Old French “cygne,” from the Latin “cygnus,” from the Greek “kuknōs” (swan). An adult male is a “cob.” An adult female is a “pen.”
