The avril, native to the moon Yavin 8, was a large bird of prey. It was covered with thick black feathers and had beady eyes. Avrils also had a wingspan of about eight meters and sharp twenty-centimeter-long talons. These birds were also capable of letting out an ear-shattering cry.
- Junior Jedi Knights: Lyric's World (First appearance)
- Galaxy Guide 2: Yavin and Bespin (First mentioned)
- Galaxy Guide 2: Yavin and Bespin, Second Edition
- "ISB Intercepts"—Star Wars Adventure Journal 9
- The Essential Guide to Planets and Moons