Humans nd chickens both have feremones which is the same when talking about female and male chickens and what makes the roosters have bigger combs is there testosterone.
When they get the injections from a rooster's comb, the rooster does have to be killed. They can get rid of a rooster's comb without killing it but it has to be on the first day that it is born.
The hen is smaller and has a smaller tail, comb and wattle.The rooster is bigger has a larger tail, comb and wattle.
It's called a rose comb usually a rooster breed from Spain.
If they have a comb
It is called a comb.
it is on top of their heads
Red.
The prepositional phrase in the sentence is "with the zigzag comb," which provides additional information about the White Leghorn rooster.
A rooster's comb is mainly used for regulation of body heat.
"With the zigzag comb"
The thing on a rooster's head is called a comb.
A Leghorn rooster is a large white bird with a red comb.