Related Clues:

• Aquatic animal damaging rear in light-bulb unit!
• "The Wind in the Willows" creature
• Furry feller?
• Canadian dam builder?
• Fifties fur
• Dam-building animal
• Oregon State mascot
• Rodent smells of dampness around rising ship in flood
• Rodent's breeding frenzy holding up Noah's work
• Amphibious vole
• To demonstrate humanity, a scientist's brought round little furry creature
• One employed by the bank beginning to wonder at endless mistakes
• 'At length I --', he said - 'The bitterness of life!' (Lewis Carroll
• Large amphibious rodent
• Beast's endless charge for drink