Related Clues:

• Balaam's equine
• Low-level smuggler
• Fatuous fool
• It's often hard to budge
• Horse relative
• TV's Francis, for one
• Slow equine
• It's half ass and sterile
• Surefooted critter
• Mule's dad
• Stubborn critter
• Beast in the Bible
• Sex, slangily
• Grand Canyon sight
• Pack-carrying beast