Possible Clues:

• One for sorrow among the chattering classes
• Bird in the bull-ring
• Bird that can recognize itself in a mirror
• One of this for one of 4 down, and there you have it in black and white
• Mischievous bird
• Publication with kind of chart for obsessive collector
• Reading material, load left out for collector
• Black and white thieving bird
• Black and white member of crow family
• Member pinching silver that is required for ring