Related Clues:

• Of the Arctic, say
• From the Arctic, e.g.
• Some barnyard mamas
• Female hogs
• Some swine
• Mother porkers
• Kind of cap?
• Like extreme opposites
• Miss Piggy's relatives
• Like the icecaps
• Boars' babes
• __ bear (white beast)
• As dissimilar as possible
• With 64 Down, Antarctic feature
• ___ opposite