Luke 22:60

But then Peter said, "Man, I do not know what you are talking about." Just then, as he was speaking, the rooster crowed.

Matthew 26:74-75

Then Peter began to curse and swear, "[I tell you], I do not know the man." And immediately a rooster crowed.

Mark 14:71-72

Then Peter began to curse and swear, saying, "I do not know this man you are talking about."

Luke 22:34

And Jesus said, "I tell you, Peter, you will deny [even] knowing me three times before the rooster crows today."

John 18:27

So, Peter denied it again, and immediately the rooster 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
And Jesus said, "I tell you, Peter, you will deny [even] knowing me three times before the rooster crows today."
Matthew 26:74
Then Peter began to curse and swear, "[I tell you], I do not know the man." And immediately a rooster crowed.
Mark 14:71
Then Peter began to curse and swear, saying, "I do not know this man you are talking about."
John 18:27
So, Peter denied it again, and immediately the rooster crowed.