Possible Clues:

• Bird
• Is the sot well off but grounded?
• African runner in Old Street wealthy
• Good chap in love with tasty bird
• Bird with no head for danger?
• Bird that's historic without one flying
• However well off at last, cannot take off
• No flight or chits from this
• The bird makes the confused drunkard well off at last
• Nothing stumped affluent person who ignores problems?