Related Clues:

• Calls to farmers
• Porcine sounds
• Gratitude for slop?
• Greetings for the milkmaid
• Rustling sounds
• Cow conversation
• Pen pal chatter?
• Pen racket
• Range sounds
• Sounds from the sty
• 'Old MacDonald Had a Farm' sounds
• Calls from Bossy
• It's heard from a herd
• See 'n Say sounds
• Pen plaints