Related Clues:

• S American native finds top unknown horse to back
• The largest living rodent, resembling a large guinea-pig
• Pig-sized amphibious Central and South American rodent
• Rodent quietly hiding in islet upset horse
• Better territory ultimately — except for a S American rodent!
• The largest rodent
• Famous film director appearing outside by a strange large rodent
• Unknown in top pub, a very large rodent
• The largest living rodent