Luke 22:60

"Man, I don't know what you mean," replied Peter. No sooner had he spoken than a cock crowed.

Matthew 26:74-75

Then with curses and oaths he declared, "I do not know the man." Immediately a cock crowed,

Mark 14:71-72

But he broke out into curses and oaths, declaring, "I know nothing of the man you are talking about."

Luke 22:34

"I tell you, Peter," said Jesus, "that the cock will not crow to-day till you have three times denied that you know me."

John 18:27

Once more Peter denied it, and immediately 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
"I tell you, Peter," said Jesus, "that the cock will not crow to-day till you have three times denied that you know me."
Matthew 26:74
Then with curses and oaths he declared, "I do not know the man." Immediately a cock crowed,
Mark 14:71
But he broke out into curses and oaths, declaring, "I know nothing of the man you are talking about."
John 18:27
Once more Peter denied it, and immediately a cock crowed.