Possible Clues:

• Rodent's limb subjected to test
• Rodent made sheep and cat both turn tail
• Coarse-furred burrowing rodent
• Small burrowing animal of squirrel family
• Might Thomas stuff up the rodent?
• The little brute might turn up for Thomas and the one to go for 22 down
• After damage mum must get rid of her rodent
• Burrower to supply weapon in test
• Vancouver Island _______
• Heavily built burrowing rodent