Related Clues:

• Kin of mules
• Animals that go "hee-haw!"
• Braying bunch
• Fools in exercises sabotaged Rising
• Petting zoo equines
• Zebras' relatives
• Sure-footed pack animals
• Animals that bray
• Jacks are male ones
• Jennies, e.g
• Tushies
• Shortly rate stupid people
• Buttheads
• Fools to judge, mostly
• Pack-carrying beasts