Related Clues:

• Snakes top their opposites
• Trees spring up round south
• They also multiply, naturally
• Totters, being legless
• They may bite; short solution comes up — get a bird
• Like extremely poisonous snakes
• They're scaled by companions, but not at first
• Venomous creatures of the Sahara
• "Puff" snakes
• Small poisonous vipers
• Hognose snakes
• Lethal injection administerers
• Slithering symbols of the pharaohs
• Without the two of you these crawlers can't fly
• With another fifty they'd be up for a game, otherwise they're down on their bellies