The singing fig trees were a biological anomaly in the galaxy that were once found on Pil Diller. They became extinct sometime before the rise of the Galactic Empire, and were represented at the Holographic Zoo of Extinct Animals.
- Star Wars: Rebellion (Mentioned only)
- Dark Apprentice (First mentioned)
- The New Jedi Order: Balance Point
- The Illustrated Star Wars Universe
- The Secrets of Star Wars: Shadows of the Empire
- Star Wars: Attack of the Clones: The Illustrated Companion
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