Why is Nebuchadnezzar Portrayed as an Animal?

In his recent article, Christopher B. Hays asks the following question: “Why is Nebuchadnezzar portrayed as an animal?” (“Chirps from the Dust: The Affliction of Nebuchadneaar in Daniel 4:30 in Its Ancient Near Eastern Context,” JBL 126/2 [2007]: 3-25). His answer is that the animals of Dan 4:30 (MT) can symbolize demons and the dead in ancient Near [...]