Revelation 18:2

And he cried with a strong voice, saying: Babylon the great has fallen, has fallen, and has become the habitation of demons, and the haunt of every unclean spirit, and the resort of every unclean and hateful bird.

Treasury of Scripture Knowledge

Summary

As a cage is full of birds, so are their houses full of deceit: therefore they are become great, and waxen rich.

Bible References

Cage

Revelation 18:2
And he cried with a strong voice, saying: Babylon the great has fallen, has fallen, and has become the habitation of demons, and the haunt of every unclean spirit, and the resort of every unclean and hateful bird.