Swans
Swans are the largest, and generally considered the most beautiful, of the waterfowl.
A male is known as a cob, a female is a pen, and the young are called cygnets.
Odd fact: According to the magazine Wildlife Conservation, a swan can have 25,000 feathers.
Various Swan Links:
Here's the Trumpeter Swan Society Home Page.
Livingston Ripley Waterfowl Conservancy
Direct questions and comments to Barry at FeatherSite -- questions and comments