Possible Clues:

• Human or whale
• A man or a mouse
• Class of vertebrates whose young feed on milk
• One of a class of warm-blooded vertebrates
• Tiger or seal
• .Animal of class that suckles its young
• Dam childishly associated with large beaver perhaps
• Creature Geordie's mother will verbally identify
• Male returning morning after morning with large-breasted creature
• Milk producer gets mother sick in France