They are swans (several species).
Male is the cob.
Female is the pen.
Young are the cygnet.
Pen
Baby swans are called as cygnets. Adult male swans are called as cobs while adult female swans are called as pens.
A female swan is called a "pen." The males are called "cobs."
There is no such bird as a Pen but birds do sometimes have pens if they are pets (Not the writing pens). It is a little warm place the birds sleep and sit in.A female swan is known as a pen
A sheep pen is called just a "pen." The larger pens or multiple pens together is called a stockyard.
their homes r caled pens (pig pens)
A Cob
pens
These are called holding pens, however, the cows may refer to them as death row.
Dip pens were originally made of quills from Turkeys or other large birds. A part of an educated man was to know how to trim your quills for writing.
The house of a pig is called a sty.
Because the nib that holds the ink can be retracted back into the pen.