Swans are birds of the family Anatidae, which also includes geese and ducks.
Swans usually mate for life, though 'divorce' does sometimes occur, particularly following nesting failure. The number of eggs in each clutch ranges from three to eight.
The eBirdr field guide
Swans are birds of the family Anatidae, which also includes geese and ducks.
Swans usually mate for life, though 'divorce' does sometimes occur, particularly following nesting failure. The number of eggs in each clutch ranges from three to eight.