Revelation 18:2

and with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul 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 with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul and hateful bird.