Related Clues:

• Trap
• Pen
• Confine
• Pen in
• Coop up
• Confine a canary
• Put in the pen
• Lock up
• Confine, as a bird
• Confine, in a way
• Keep in - or, alternatively, eg cane?
• Put behind bars
• Put in a zoo, say
• Keep in a coop
• Spots rebellious young rogue, finally put behind bars