Related Clues:

• Tend to float in the air
• (Of aircraft) flying
• (Of birds) flying
• Having taken off, melody carried on
• A line frequently written by poets in a high position
• A room that's up high
• Destined to drown in river, as birds often are
• Float freely in the air
• Heading for heaven, many keep following
• Are fluttering with robin, in the sky
• Perhaps float up
• A frequent candidate for conversion, as 1 ac was?
• Abandoning south, robins are sadly, flying off
• Speaker's one who'll succeed, having natural ability as a high-flyer?
• Are robins endlessly flying, not on the ground?