Related Clues:

• Marmots and such
• Vermin
• Snakes' intakes
• Barn owl's prey
• Hamelin's bane
• Beavers, e.g.
• Beavers, chipmunks, et al.
• Mice, e.g.
• Beavers or squirrels, e.g.
• Rats, but not bats
• Snake intake
• Squirrels, e.g.
• Shrews, voles, etc
• These left Hamelin, sent out to follow Pole
• Rats, mice, hamsters