Related Clues:

• Wilbur in "Charlotte's Web"
• "The Wind in the Willows" critter
• One down in the dumps?
• Certain stowaway
• Turn state's evidence, maybe
• Kind of a rat
• Type of singer?
• One who squeals
• "Was it a ___?" "Yeah, a great big one" (line from "L.A. Confidential")
• Slum scurrier
• Mafioso informer
• Vole relative
• Pack __
• Police informer
• Babe, for example