![U.S. Fish and Wildlife Service on Twitter: "The male trumpeter swan is called a cob. The female is called a pen. They weigh around 26 lbs and wingspan can reach an impressive U.S. Fish and Wildlife Service on Twitter: "The male trumpeter swan is called a cob. The female is called a pen. They weigh around 26 lbs and wingspan can reach an impressive](https://pbs.twimg.com/media/DNosXNAXUAAsRcB.jpg:large)
U.S. Fish and Wildlife Service on Twitter: "The male trumpeter swan is called a cob. The female is called a pen. They weigh around 26 lbs and wingspan can reach an impressive
Brockholes - Did you know...A female swan is known as a 'pen' and a male is a 'cob'. Find out more about Mute Swans 👉🏼 https://bit.ly/2ylWGKX (📸 David Gruby) | Facebook
![A Female Mute Swan, Pen, And Cygnet Sitting Together On A Nest. Stock Photo, Picture And Royalty Free Image. Image 123344685. A Female Mute Swan, Pen, And Cygnet Sitting Together On A Nest. Stock Photo, Picture And Royalty Free Image. Image 123344685.](https://previews.123rf.com/images/stephenlavery/stephenlavery1905/stephenlavery190500074/123344685-a-female-mute-swan-pen-and-cygnet-sitting-together-on-a-nest.jpg)
A Female Mute Swan, Pen, And Cygnet Sitting Together On A Nest. Stock Photo, Picture And Royalty Free Image. Image 123344685.
![A newly born cygnet falls in front of its pen available as Framed Prints, Photos, Wall Art and Photo Gifts #19895493 A newly born cygnet falls in front of its pen available as Framed Prints, Photos, Wall Art and Photo Gifts #19895493](https://www.mediastorehouse.com/p/412/newly-born-cygnet-falls-pen-female-swan-19895493.jpg.webp)