Luke 22:60

But Peter said, "I do not know what you mean." And immediately, just as he spoke, a cock crowed.

Matthew 26:74-75

Then he started to swear with the strongest oaths, "I do not know the man!" And at that moment a cock crowed.

Mark 14:71-72

But he began to swear with the strongest oaths, "I do not know this man that you are talking about!"

Luke 22:34

But he said, "I tell you, Peter, the cock will not crow today before you deny three times that you know me!"

John 18:27

Peter again denied it, and at that moment a cock crowed.

Treasury of Scripture Knowledge

Summary

And Peter said, Man, I know not what thou sayest. And immediately, while he yet spake, the cock crew.

Bible References

The cock

Luke 22:34
But he said, "I tell you, Peter, the cock will not crow today before you deny three times that you know me!"
Matthew 26:74
Then he started to swear with the strongest oaths, "I do not know the man!" And at that moment a cock crowed.
Mark 14:71
But he began to swear with the strongest oaths, "I do not know this man that you are talking about!"
John 18:27
Peter again denied it, and at that moment a cock crowed.