Where it appears

• Rev 18:2He cried with a mighty voice, saying, “Fallen, fallen is Babylon the great, and she has become a habitation of demons, a prison of every unclean spirit, and a prison of every unclean and hateful bird!
• Rev 19:17I saw an angel standing in the sun. He cried with a loud voice, saying to all the birds that fly in the sky, “Come! Be gathered together to the great supper of God,
• Rev 19:21The rest were killed with the sword of him who sat on the horse, the sword which came out of his mouth. All the birds were filled with their flesh.