Related Clues:

• Barnyard oinkers
• Beasts in yokes
• 'Olly olly ___ free'
• Pullers of plows
• Yaks, e.g
• Nativity scene animals
• Ones with a lot of pull?
• Eight-legged team
• Bullocks
• Pen pals, perhaps
• Kin of 1-Down
• Steers by intercepting one mobile
• A yoke of _____
• A litter of _____
• Pullers of heavy loads