Trumpeter Swans
Alaska
Trumpeter swans often mate for life. Most pair bonds are formed when swans are 5 to 7 years old, although some pairs do not form until they are nearly 20 years old. Photo © copyright by Robert Faucher.
Trumpeter swans often mate for life. Most pair bonds are formed when swans are 5 to 7 years old, although some pairs do not form until they are nearly 20 years old. Photo © copyright by Robert Faucher.