The faeries of Puzzle Forest have left a warning for you about an upcoming obstacle on your path, but their choice of delivery seems rather opaque. What should you prepare for?

• Early stage of an animal
• Early stage of a plant
• Creepy
• Reviled image that might fire up a crowd?
• In minesweeper, it means you’re surrounded
• Spiced brew
• Tapper on CNN
• Iron or Bronze
• Iron but not bronze
• Boy on “The Andy Griffith Show”
• Signal
• Suspect, once apprehended
• “__ got mail”
• Raise the stakes yet again, in backgammon
• First mammal to be cloned
• Outer: prefix
• With consideration

[The answer to this puzzle is 11 letters long]