Possible Clues:

• Expensive white fur
• Weasel relative
• Ferret cousin
• Fur claimed with some hesitation?
• Small mammal that determinedly hides
• Fur belonging to myself after earl, oddly
• Monarch by pit sees white weasel
• Monarch with bomb in fur
• Predator of rat, say, biting its head off and beginning to eat
• What the Irish call ''weasel''