Related Clues:

• Horse's "Hey!"
• Sly sound or sty sound
• Pig or pug sound
• Horse barn sound
• *Paddock cry
• Filly sound
• ... and its noise
• Hear no sound from stable
• Reportedly vote against animal noise
• String of 7-8 horses will do
• Mare's sound
• Mimic a piglet
• (I'm a horse!)