Possible Clues:

• One in goal
• Ring for the custodian
• Will he perhaps take another little look up?
• Big fish, often
• Zoo or park manager
• Number one zoo employee?
• Cain asked ' Am I my brother's . . . . . .?'
• Cain wasn't Abel's
• One might 3 down 'er with the help of a guard
• He could be in the zoo to look up a little up to 'er